{"title":"Science \u0026 STEM","description":"\u003cp\u003eLab equipment, optics, magnets, circuits, anatomy and earth science models, and the measuring gear that goes with them. Most of it is sized for a class rather than a single bench, and singles and class sets are listed separately, so check the title before the price. Glassware, heat sources and dissection tools are teacher-supervised items unless the listing says otherwise. See \u003ca href=\"\/collections\/educational-supplies\"\u003eeducational supplies\u003c\/a\u003e, \u003ca href=\"\/collections\/classroom-supplies\"\u003eclassroom supplies\u003c\/a\u003e and \u003ca href=\"\/collections\/magnifiers\"\u003emagnifiers\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"magnetic-marbles-tub-of-100","title":"Magnetic Marbles Tub of 100","description":"\u003ch2\u003e100 marbles that stick to each other - 60c each\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100 magnetic marbles, 15mm diameter, in 10 assorted colours, supplied in a storage tub.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEvery child already knows what a marble does. That is exactly why these work: the moment one marble drags another across a desk, the expectation breaks, and a five-minute lesson on attraction and repulsion has started itself.\u003c\/p\u003e\u003cp\u003eA hundred is enough for a whole class to have a handful each, or for a group to build a chain long enough to argue about. Ten colours also means you can colour-code an experiment - all reds one way round, all blues the other - which is how you get poles across without a diagram.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSafety - the supplier's warning, in full and unedited:\u003c\/strong\u003e \u003cem\u003eThe intended use of these magnets is for educational purposes only. Adult supervision is required at all times. Not suitable for children under the age of 8. Not suitable for craft projects. Seek immediate medical attention if magnets are swallowed or inhaled. These are strong powered magnets and can cause medical issues if digested. These magnets are not a toy and are not intended for early learning centres or younger age groups in school or learning or unsupervised environments.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy we are not paraphrasing that.\u003c\/strong\u003e Two or more small magnets swallowed separately can attract through the wall of the bowel and cause a perforation. It is a surgical emergency, not a stomach ache. If you are buying for a prep or early years room, buy the large ferrite block or the giant horseshoe instead - both are too big to swallow.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792723894635,"sku":"EVCT50291","price":100.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/ct50291_magnetic-marbles-in-tub-set-of-100_v4_3.webp?v=1788350570"},{"product_id":"large-ferrite-block-magnet-50mm","title":"Large Ferrite Block Magnet 50mm","description":"\u003ch2\u003e$2.80, poles printed on it, and too big to swallow\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eA painted ferrite bar magnet, 50 x 15 x 10mm, with red and blue poles stamped N and S.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the magnet to buy for young children, and the reason is size. Everything else in the magnetism range carries an under-8 ingestion warning; a 50mm painted block does not, because it will not go anywhere. That makes it the one a prep teacher can actually put on a table.\u003c\/p\u003e\u003cp\u003eThe printed N and S are doing real teaching work. A child holding two blocks discovers that red-to-blue pulls and red-to-red pushes, and the letters give them the vocabulary at the same moment they feel the force. No worksheet required.\u003c\/p\u003e\u003cp\u003eFerrite has high coercive strength, which in practice means it stays magnetised through years of being dropped, banged together and left in a tub with everything else.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792723960171,"sku":"EVDC51008","price":2.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/dc51008_large-ferrite-block-magnet_v4_2.webp?v=1788350571"},{"product_id":"round-ceramic-magnets-20mm-pack-of-100","title":"Round Ceramic Magnets 20mm Pack of 100","description":"\u003ch2\u003e100 magnets for $60 - the tub you build a term's experiments out of\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100 round ceramic magnets, 20mm diameter. 60c each.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese are the workhorse. Not a demonstration piece, not a kit - a hundred plain discs that a whole class can use at once, lose a few of, and still have enough next year.\u003c\/p\u003e\u003cp\u003eAt 20mm they are big enough to handle and stack, small enough to test what sticks to what across a room full of objects. Most of the practical magnetism curriculum - what is magnetic, what is not, how do poles behave, does the force pass through paper - runs on exactly this and nothing else.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSafety - the supplier's warning, in full and unedited:\u003c\/strong\u003e \u003cem\u003eThe intended use of these magnets is for educational purposes only. Adult supervision is required at all times. Not suitable for children under the age of 8. Not suitable for craft projects. Seek immediate medical attention if magnets are swallowed or inhaled. These are strong powered magnets and can cause medical issues if digested. These magnets are not a toy and are not intended for early learning centres or younger age groups in school or learning or unsupervised environments.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy we are not paraphrasing that.\u003c\/strong\u003e Two or more small magnets swallowed separately can attract through the wall of the bowel and cause a perforation. It is a surgical emergency, not a stomach ache. If you are buying for a prep or early years room, buy the large ferrite block or the giant horseshoe instead - both are too big to swallow.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792724025707,"sku":"EVDC51015","price":60.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/dc51015_regular-magnets-rnd-20mm-100p_v4_1.webp?v=1788350571"},{"product_id":"magnetic-wand-fun-pack","title":"Magnetic Wand Fun Pack","description":"\u003ch2\u003eTwo wands, 20 balls and 100 chips - a complete magnetism station for $33\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e2 magnetic wands, 20 magnetic balls and 100 steel-ringed chips, all in a storage container.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the kit rather than the components, and the reason it works is that the three parts do different jobs. The wand is a handle a child can hold with a magnet sealed safely inside it. The chips are non-magnetic plastic with a steel ring hidden in the middle, so a child discovers that something can look ordinary and still be picked up. The balls are the magnets themselves - attraction and repulsion in the hand.\u003c\/p\u003e\u003cp\u003eTwo wands means two children work at once, which is the difference between an activity and a queue.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe container matters.\u003c\/strong\u003e One hundred and twenty-two small parts without a home last about a fortnight.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSafety - the supplier's warning, in full and unedited:\u003c\/strong\u003e \u003cem\u003eThe intended use of these magnets is for educational purposes only. Adult supervision is required at all times. Not suitable for children under the age of 8. Not suitable for craft projects. Seek immediate medical attention if magnets are swallowed or inhaled. These are strong powered magnets and can cause medical issues if digested. These magnets are not a toy and are not intended for early learning centres or younger age groups in school or learning or unsupervised environments.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy we are not paraphrasing that.\u003c\/strong\u003e Two or more small magnets swallowed separately can attract through the wall of the bowel and cause a perforation. It is a surgical emergency, not a stomach ache. If you are buying for a prep or early years room, buy the large ferrite block or the giant horseshoe instead - both are too big to swallow.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792727040363,"sku":"EVDC51028","price":33.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/dc51028_magnetic-wand-fun-pack_v4_1.webp?v=1788350681"},{"product_id":"giant-horseshoe-magnet-20cm","title":"Giant Horseshoe Magnet 20cm","description":"\u003ch2\u003eLifts 1.8kg, and a child can feel it happen\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eA giant easy-grip horseshoe magnet with clearly identified poles. Lifts up to 1.8kg. Ages 6 and over. Assorted colours.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSmall magnets teach a concept. This one teaches a sensation. At 1.8kg of lift a child can feel the pull start before the magnet touches anything, and that moment - force acting across a gap - is the part of magnetism that a diagram never quite delivers.\u003c\/p\u003e\u003cp\u003eIt is also one of only two magnets in this range without an under-8 ingestion warning, because it is far too large to swallow. Between it and the ferrite block, an early years room can teach magnetism properly without the small-magnet risk anywhere near it.\u003c\/p\u003e\u003cp\u003eThe grip is sized for small hands and the poles are clearly marked.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eColour is assorted and cannot be specified\u003c\/strong\u003e - the supplier sends what they have.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eA size discrepancy worth knowing:\u003c\/strong\u003e the supplier's product title says 20cm and their description says 23cm. We have listed the title figure and asked them which is right.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792727105899,"sku":"EVFD00001","price":20.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/fd00001_giant-horseshoe-magnet-20cm-assorted-colours_v1_2.webp?v=1788350682"},{"product_id":"steel-ringed-chips-pack-of-100","title":"Steel Ringed Chips Pack of 100","description":"\u003ch2\u003eNot magnets - the thing magnets pick up. Ages 5+.\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100 plastic chips in assorted colours, each with a steel ring sealed inside. Sonically welded. Ages 5 and over.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRead the age carefully, because it is the useful part.\u003c\/strong\u003e These are rated 5+ where every magnet in this range is 8+. They are not magnets - they are the target. That means a five-year-old can do the picking-up half of a magnetism lesson with a wand held by an adult, which is otherwise impossible in an early years room.\u003c\/p\u003e\u003cp\u003eThe ring is \u003cem\u003einside\u003c\/em\u003e the chip, sonically welded in, so there is nothing to work loose. A child sees an ordinary coloured counter and watches it fly to a magnet - and has to work out why, which is a better question than any worksheet asks.\u003c\/p\u003e\u003cp\u003eThey also work as plain counters when magnetism is finished, which is more than most single-purpose science consumables manage.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792727138667,"sku":"EVLEL0222","price":8.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/lel0222_steel-ringed-chips-100-pieces_v1_2.webp?v=1788350683"},{"product_id":"magnetic-balls-17mm-pack-of-20","title":"Magnetic Balls 17mm Pack of 20","description":"\u003ch2\u003eTwenty 17mm balls - 70c each, and they spin when they repel\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e20 plastic-covered magnetic balls, 17mm diameter.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe reason to have spheres rather than discs is that a sphere can rotate. Bring two together the wrong way round and instead of just pushing apart they spin to find their own alignment - which is magnetism visibly solving a problem, and it is far more convincing than a diagram of field lines.\u003c\/p\u003e\u003cp\u003eTwenty is a top-up quantity: enough for a pair of students to build and chain, and the right thing to buy when the Fun Pack's original twenty have gradually gone behind the cupboard.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSafety - the supplier's warning, in full and unedited:\u003c\/strong\u003e \u003cem\u003eThe intended use of these magnets is for educational purposes only. Adult supervision is required at all times. Not suitable for children under the age of 8. Not suitable for craft projects. Seek immediate medical attention if magnets are swallowed or inhaled. These are strong powered magnets and can cause medical issues if digested. These magnets are not a toy and are not intended for early learning centres or younger age groups in school or learning or unsupervised environments.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy we are not paraphrasing that.\u003c\/strong\u003e Two or more small magnets swallowed separately can attract through the wall of the bowel and cause a perforation. It is a surgical emergency, not a stomach ache. If you are buying for a prep or early years room, buy the large ferrite block or the giant horseshoe instead - both are too big to swallow.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792733561195,"sku":"EVNK1001","price":14.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/nk1001_magnetic-balls-pack-of-20.webp?v=1788350916"},{"product_id":"magnetic-wand","title":"Magnetic Wand","description":"\u003ch2\u003e$5, and the magnet is sealed inside the handle\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eA single easy-grip magnetic wand with the magnet sealed inside. Ages 8 and over.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe wand is the safest way to put a strong magnet in a child's hand, because they never actually hold the magnet - it is inside the plastic. That is why a class set of wands works where a class set of loose magnets would not.\u003c\/p\u003e\u003cp\u003eAt $5 each this is how you get one per student rather than one per group. Thirty of them is a class doing magnetism at the same time instead of taking turns at a station, and that changes what the lesson can be.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBuy chips or filings with it.\u003c\/strong\u003e A wand on its own has nothing to pick up - the 100-pack of steel-ringed chips is the usual partner, and the supplier notes iron filing discs work too (sold separately).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSafety:\u003c\/strong\u003e the supplier states this is not a toy, that adult supervision is required when experimenting with magnets, and that it is suitable for ages 8 and over.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792733626731,"sku":"EVNK51070","price":5.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/nk51070_magnetic-wand.webp?v=1788350917"},{"product_id":"magnetic-wand-class-set-30-wands","title":"Magnetic Wand Class Set 30 Wands","description":"\u003ch2\u003e30 wands, 1000 chips, 300 balls - $15.24 a student station\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e30 magnetic wands, 1000 steel-ringed chips and 300 magnetic balls, all in a tub.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the set that turns magnetism from a demonstration into a lesson. Thirty wands is one per child - the whole class investigating at once, nobody queuing, nobody watching. Divided out that is \u003cstrong\u003e$15.24 a student\u003c\/strong\u003e, and the wands last years.\u003c\/p\u003e\u003cp\u003eThe ratios are right too: roughly 33 chips and 10 balls per wand, which is enough for each child to run a real experiment rather than share a handful.\u003c\/p\u003e\u003cp\u003eOne tub, which for 1330 pieces is not a small consideration.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWho it suits:\u003c\/strong\u003e a primary school buying once for the whole school to share, or a secondary science department that wants a full class practical rather than a front-bench demo.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSafety - the supplier's warning, in full and unedited:\u003c\/strong\u003e \u003cem\u003eThe intended use of these magnets is for educational purposes only. Adult supervision is required at all times. Not suitable for children under the age of 8. Not suitable for craft projects. Seek immediate medical attention if magnets are swallowed or inhaled. These are strong powered magnets and can cause medical issues if digested. These magnets are not a toy and are not intended for early learning centres or younger age groups in school or learning or unsupervised environments.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy we are not paraphrasing that.\u003c\/strong\u003e Two or more small magnets swallowed separately can attract through the wall of the bowel and cause a perforation. It is a surgical emergency, not a stomach ache. If you are buying for a prep or early years room, buy the large ferrite block or the giant horseshoe instead - both are too big to swallow.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792733692267,"sku":"EVTFC51009","price":457.3,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/tfc51009_magnetic-wand-set.webp?v=1788350918"},{"product_id":"alligator-clip-leads-50cm-pack-of-10","title":"Alligator Clip Leads 50cm Pack of 10","description":"\u003ch2\u003eTen leads at $1.30 each, and 50cm is the length that actually works\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e10 insulated leads, 50cm long, alligator clip at both ends, assorted colours.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCircuit lessons fall apart on lead length. A 20cm lead means every component has to sit within a hand's width of every other one, so the circuit becomes a knot on the desk and nobody can see what connects to what. At 50cm a student can spread the circuit out across the whole bench, and the shape of it - series here, a branch there - becomes visible.\u003c\/p\u003e\u003cp\u003eSprung alligator teeth grip a bulb holder, a battery lead, a paper clip or a nail without anyone needing to twist wire together. The plastic sleeves over the jaws keep fingers off the metal and stop two clips shorting when they touch.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTen is one set per pair of students in a group of five, or one circuit's worth for a whole bench.\u003c\/strong\u003e Assorted colours are worth having: \"the red one to the red one\" is far easier to say than \"the third wire\".\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792738312555,"sku":"EVNK51171","price":13.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/nk51171_alligator-clips-with-lead-wire-pk10.webp?v=1788351349"},{"product_id":"battery-holder-c-cell-with-leads","title":"Battery Holder C Cell with Leads","description":"\u003ch2\u003e$3.20, and it stops students taping wires to a battery\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eA single C-cell holder with two 10cm insulated leads, red and black. Battery not included.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe alternative to a holder is a child holding a wire against each end of a battery with their thumbs, which works for about four seconds and teaches nothing except that circuits are frustrating. A holder makes the power source stay put, so the lesson can be about the rest of the circuit.\u003c\/p\u003e\u003cp\u003eRed and black leads are not decoration. They are how a student learns that a circuit has a direction, and they are what makes it possible to say \"black to the black\" rather than describing wires by where they happen to be lying.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIt works with:\u003c\/strong\u003e the 50cm alligator clip leads we stock (supplier code 51171), and the 2.5V screw-base bulbs. The supplier also lists battery snaps under code 51139 which we do not currently stock - ask us if you want them.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBatteries are not included.\u003c\/strong\u003e It takes one C cell.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792738378091,"sku":"EVDC50095","price":3.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/dc50095_battery-holder-1xc-leads.webp?v=1788351350"},{"product_id":"bulbs-2-5v-screw-base-pack-of-100","title":"Bulbs 2.5V Screw Base Pack of 100","description":"\u003ch2\u003e100 bulbs at 70c each, because students blow them\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100 x 2.5V screw-base bulbs.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEvery circuit lesson ends with some bulbs dead. A student wires two cells in series into a 2.5V bulb, it flares and goes, and that is a perfectly good lesson about voltage - but only if you have another bulb. Buying these in tens means rationing them; buying a hundred means the lesson can be repeated, which is the only way a class of thirty actually learns anything about circuits.\u003c\/p\u003e\u003cp\u003eAt 70c a bulb, a whole class blowing one each costs about $21, which is the right way to think about consumables in a science budget.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThese are 2.5V screw base.\u003c\/strong\u003e They fit standard primary and lower-secondary lamp holders. They do \u003cstrong\u003enot\u003c\/strong\u003e fit the 12V bayonet lamp on a stand - different voltage, different fitting.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792738640235,"sku":"EVDC50163","price":70.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/dc50163_bulbs-2-5v-100p.webp?v=1788351351"},{"product_id":"led-light-10mm-green","title":"LED Light 10mm Green","description":"\u003ch2\u003eA 10mm LED, which is the point - small ones are unteachable\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eOne green LED, 10mm diameter, diffused.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eStandard hobby LEDs are 3mm or 5mm. In a classroom that size is a nuisance: fiddly to hold, hard to get into a terminal, and impossible for thirty students to see from where they are sitting. At 10mm this one is the size of a pencil eraser. A child can pick it up, get the legs into a clip and watch it light without being told which way round it went.\u003c\/p\u003e\u003cp\u003eThe diffused lens matters too. A clear LED is a bright point you cannot look at; a diffused one glows evenly, so the whole class can see whether the circuit worked from across the room.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it teaches:\u003c\/strong\u003e current flow, and the fact that a diode only lets current through one way. Turn it around and nothing happens - which is a more memorable lesson about polarity than any diagram.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOne thing we want to be straight about.\u003c\/strong\u003e The supplier lists this LED as compatible with 5V, 9V and 12V supplies, which would normally mean a current-limiting resistor is built into the leg. They do not actually say so. If you are wiring bare circuits at 9V or 12V rather than using a kit, ask us before you order and we will confirm it with the supplier. We would rather answer that question than have a box of dead LEDs turn up in your lab.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792738738539,"sku":"EVEL0205","price":1.3,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/el0205_led-light-1cm-green.webp?v=1788351409"},{"product_id":"led-light-10mm-yellow","title":"LED Light 10mm Yellow","description":"\u003ch2\u003eA 10mm LED, which is the point - small ones are unteachable\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eOne yellow LED, 10mm diameter, diffused.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eStandard hobby LEDs are 3mm or 5mm. In a classroom that size is a nuisance: fiddly to hold, hard to get into a terminal, and impossible for thirty students to see from where they are sitting. At 10mm this one is the size of a pencil eraser. A child can pick it up, get the legs into a clip and watch it light without being told which way round it went.\u003c\/p\u003e\u003cp\u003eThe diffused lens matters too. A clear LED is a bright point you cannot look at; a diffused one glows evenly, so the whole class can see whether the circuit worked from across the room.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it teaches:\u003c\/strong\u003e current flow, and the fact that a diode only lets current through one way. Turn it around and nothing happens - which is a more memorable lesson about polarity than any diagram.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOne thing we want to be straight about.\u003c\/strong\u003e The supplier lists this LED as compatible with 5V, 9V and 12V supplies, which would normally mean a current-limiting resistor is built into the leg. They do not actually say so. If you are wiring bare circuits at 9V or 12V rather than using a kit, ask us before you order and we will confirm it with the supplier. 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The supplier lists a spare globe under code SER1099029A which we do not currently stock - if you want spares, tell us and we will order them in with your lamp.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792738836843,"sku":"EVSER1099029","price":14.4,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/ser1099029_lamp-on-stand-8211-sbc-type-terminals-8211-12v-8211-5a.webp?v=1788351442"},{"product_id":"basic-electricity-kit-b-add-on-set","title":"Basic Electricity Kit B Add-On Set","description":"\u003ch2\u003eRead this first: Kit B is an add-on, and we do not stock Kit A\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eKit B is a consumables and extras set designed to sit alongside Basic Electricity Kit A (supplier code EIS2011). It is not a standalone kit, and the Teacher's Manual lives in Kit A, not this one.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWe would rather say that at the top than have it arrive as a surprise. If you already own Kit A, this is exactly what you want and one Kit B serves a whole class. If you do not own Kit A, buying this on its own gets you a box of good components with no instructional material and no mounted base panels to build on. Tell us and we will price Kit A for you at the same time.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is in it:\u003c\/strong\u003e 20 replacement bulbs, 4 variable resistors, 3 motors, 3 buzzers, 2 electrode holders, 3 diodes, 3 fixed resistors, 4 universal clips with 8 crocodile clips, 6 steel rods and a reel of plastic-coated wire, in a polystyrene box.\u003c\/p\u003e\u003cp\u003eThe components mount on tough plastic bases with two 4mm sockets each and connect with stackable 4mm leads, which is what makes a class set survive a year of teenagers. Topics it covers with Kit A: bulbs and cells, switches, electromagnets, motors and buzzers.\u003c\/p\u003e\u003cp\u003eSpare bulbs for the kit are supplier code EIS1057-SP, which we do not stock as standard - ask us.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792739098987,"sku":"EVEIS2012","price":195.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/eis2012_basic-electricity-kit-b_v1_1.webp?v=1788351520"},{"product_id":"banana-to-alligator-lead-42cm-red","title":"Banana to Alligator Lead 42cm Red","description":"\u003ch2\u003eOne lead, red, 42cm - banana one end, alligator the other\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eA single 42cm lead with a 4mm banana plug at one end and an alligator clip at the other. Sold individually, not in pairs.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the lead that bridges the two halves of a school lab. Bench equipment - power supplies, meters, the lamp on a stand - takes 4mm banana plugs. Everything a student improvises with - a nail, a paper clip, a bulb holder, a strip of foil - needs an alligator clip. A lead with one of each on it means you can go from the equipment to the experiment without an adaptor.\u003c\/p\u003e\u003cp\u003e42cm is short enough to keep a bench tidy and long enough to reach from a power supply at the back to a circuit at the front.\u003c\/p\u003e\u003cp\u003eRed is the one that does not go missing. In a tray of black leads a red one is findable, which sounds trivial until you have counted equipment back in at the end of a practical.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote it is sold as a single lead.\u003c\/strong\u003e Most circuits need at least one red and one black, so order in pairs.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792739131755,"sku":"EVSER1017020","price":3.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/ser1017020_lead-banana-alligator-42cm-red_v3_1.webp?v=1788351521"},{"product_id":"banana-to-alligator-lead-42cm-black","title":"Banana to Alligator Lead 42cm Black","description":"\u003ch2\u003eOne lead, black, 42cm - banana one end, alligator the other\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eA single 42cm lead with a 4mm banana plug at one end and an alligator clip at the other. 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Right-angle sides 5.4cm, hypotenuse 7cm, 3.8cm thick.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA 45-45-90 prism does two things an equilateral prism cannot. Point white light through the sloping face and you get a spectrum, same as any prism. But send light in square through one of the short faces and it turns a clean right angle by total internal reflection - no silvering, no mirror, just glass and geometry. That is how periscopes and binoculars work, and seeing it happen in a solid block is more convincing than being told.\u003c\/p\u003e\u003cp\u003eSolid glass, not acrylic, so it stays clear and does not scratch to a haze after a term of being handled.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThese are made by hand,\u003c\/strong\u003e so the supplier warns dimensions vary slightly between pieces. If you need a matched set for a measuring exercise, tell us and we will ask before shipping.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792744866155,"sku":"EVNK11701","price":16.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/nk11701_prism-90x45x45-degrees.webp?v=1788351976"},{"product_id":"glass-prism-equilateral-50mm","title":"Glass Prism Equilateral 50mm","description":"\u003ch2\u003eThe rainbow prism, in polished glass, 50mm sides\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEquilateral glass prism. 50mm sides, 60 x 60 x 60 degrees, highly polished.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the shape everyone pictures when they hear the word prism, and it is the shape that gives the cleanest spectrum. White light in one face, red through violet out the other, because each colour bends by a slightly different amount. 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Seven shapes let a student answer the question the single prism raises: what does the \u003cem\u003eshape\u003c\/em\u003e do? The rectangle shows light coming out parallel to how it went in. The semi-circle is the one that makes total internal reflection obvious, because you can send the beam in along the radius and only change the angle at the flat face. The bi-convex converges, the bi-concave diverges, and the triangles disperse.\u003c\/p\u003e\u003cp\u003eAcrylic rather than glass, which is the right trade here: a set of seven glass pieces handled by thirty students is a set of seven chipped pieces by the end of term. Acrylic is lighter, cheaper and survives being dropped, at the cost of scratching more easily.\u003c\/p\u003e\u003cp\u003eThe sponge insert is worth having. 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That is why it is the shape used in makeup mirrors, where the image comes out magnified, and in reflecting telescopes, car headlights, spotlights and torches, where the job is to gather light and throw it forward.\u003c\/p\u003e\u003cp\u003eThe supplier lists the focal length as 100mm. They print it with a minus sign, which is a sign convention rather than a physical property - it does not change how the mirror behaves. If the sign matters for your senior classes, ask us and we will get it confirmed.\u003c\/p\u003e\u003cp\u003eGlass rather than polished plastic, because a curved plastic mirror distorts in ways that have nothing to do with the curve you are trying to teach.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSold individually.\u003c\/strong\u003e Most lessons want a concave and a convex side by side so students can compare, so order one of each.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792745587051,"sku":"EVNK51227","price":7.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/nk51227_mirror-concave.webp?v=1788352089"},{"product_id":"convex-mirror-5cm-glass","title":"Convex Mirror 5cm Glass","description":"\u003ch2\u003eA convex glass mirror, 5cm across, sold on its own\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQuality curved glass mirror, 50mm diameter.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA convex mirror bulges towards you and reflects light outward, so it never focuses. The image is always smaller than the object, and it grows as the object comes closer.\u003c\/p\u003e\u003cp\u003eThe everyday example is the passenger side mirror on a car, which is why it carries the warning that objects are closer than they appear. That warning exists because of exactly the distortion this mirror demonstrates - which makes it one of the easier optics lessons to connect to something students have actually seen.\u003c\/p\u003e\u003cp\u003eGlass rather than polished plastic, because a curved plastic mirror distorts in ways that have nothing to do with the curve you are trying to teach.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSold individually.\u003c\/strong\u003e Most lessons want a concave and a convex side by side so students can compare, so order one of each.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792745652587,"sku":"EVNK51228","price":7.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/nk51228_mirror-convex.webp?v=1788352090"},{"product_id":"junior-monocular-microscope-400x","title":"Junior Monocular Microscope 400x","description":"\u003ch2\u003eA real compound microscope, scaled for a junior classroom\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eMonocular compound microscope. 10x eyepiece with 4x, 10x and 40x objectives, giving 40x, 100x and 400x. LED illumination, disc diaphragm, coarse focus. 160 x 114 x 310mm.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe distinction that matters when you are buying: this is a \u003cstrong\u003ecompound\u003c\/strong\u003e microscope, so it looks \u003cem\u003ethrough\u003c\/em\u003e thin specimens on a slide - onion cells, pond water, a cross-section of a leaf. It is not the one for looking at a beetle or a coin. That is the stereo microscope, which is a different instrument for a different job.\u003c\/p\u003e\u003cp\u003eAt 400x students can see individual plant cells and their nuclei, which is the point at which biology stops being a diagram in a book.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy the junior model rather than a full lab microscope:\u003c\/strong\u003e coarse focus only, so a student cannot lose the image chasing a fine adjustment; LED rather than a mirror or a hot bulb; and a base heavy enough that it does not walk across the bench. It is compact enough to store thirty of them, which is what makes a class set realistic.\u003c\/p\u003e\u003cp\u003eBuy prepared slides with it - a first lesson with a microscope and nothing to look at is a wasted lesson.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792745685355,"sku":"EVSER1052630","price":350.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/ser1052630_microscope-8211-monocular-junior-8211-4-10-40x.webp?v=1788352091"},{"product_id":"stereo-microscope-20x-dual-light","title":"Stereo Microscope 20x Dual Light","description":"\u003ch2\u003eThe microscope for looking at things, not through them\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eStereoscopic microscope, 20x magnification. 10x wide field eyepieces with 2x objectives, dual light sources, inclined body, cast aluminium. 12V 10W incandescent illumination.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA stereo microscope does the job a compound microscope cannot: it looks at the \u003cem\u003esurface\u003c\/em\u003e of a solid object, with both eyes, in three dimensions. A beetle's leg, a seed head, a crystal, a circuit board, a coin, a piece of bark. The specimen sits on the stage as it is - no slide, no sectioning, no preparation at all.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDual light sources are the reason to buy this one.\u003c\/strong\u003e Light from above shows surface texture and colour. Light from below shows outline and anything translucent. Being able to switch between them, or use both, is what makes a stereo microscope useful rather than just bright.\u003c\/p\u003e\u003cp\u003e20x is the right power for this job. Higher magnification on a solid object gives you a shallow depth of field and a confused student.\u003c\/p\u003e\u003cp\u003eCast aluminium body and an inclined head, which means it survives a school and does not give students a sore neck. 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Ages 3 and up.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe big lens is the everyday one: wide, easy to aim, and at 3x it shows a whole leaf or a whole beetle at once. The small lens in the handle is the step up - narrower view, more detail - so a child can move from looking at a thing to looking into it without swapping tools.\u003c\/p\u003e\u003cp\u003eAt $3 it is the magnifier you buy enough of that it does not matter when one goes missing on an excursion. Solid moulded plastic, nothing to come apart, no glass to break.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOne thing we cannot resolve for you.\u003c\/strong\u003e The supplier's own description gives the small lens as 7x in one sentence and 5x in another. We are not going to pick one and print it as fact. The 3x main lens is stated consistently, and the second lens is definitely stronger than the first - if the exact figure matters to you, ask us and we will get it confirmed before you order.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792746733931,"sku":"EVNK50136","price":3.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/nk50136_magnifier-bi-focal.webp?v=1788352235"},{"product_id":"lab-thermometer-300mm-10-to-110c","title":"Lab Thermometer 300mm -10 to 110C","description":"\u003ch2\u003eThe long one - 300mm, red spirit, made in the UK\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRed spirit thermometer, -10 to +110 degrees C in 1 degree increments. 300mm long, 76mm partial immersion. No mercury.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe length is the reason to buy this one rather than the 205mm. At 300mm the scale stays out of a tall beaker, above a bunsen, or clear of the rim of a deep container - so a student can read it without lifting it out and losing the temperature they were measuring.\u003c\/p\u003e\u003cp\u003eRed spirit rather than mercury: readable from a distance, and nothing hazardous if the tube breaks. One degree increments are the right resolution for school work - fine enough to plot a cooling curve, coarse enough to read quickly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow to read an immersion depth.\u003c\/strong\u003e A partial-immersion thermometer is calibrated to be accurate when the liquid comes up to a marked depth on the stem - 76mm here - not when the whole thing is under. Push it further in or leave it shorter and the reading drifts. It is the single most common reason a class gets three different answers off three identical thermometers.\u003c\/p\u003e\u003cp\u003eMade in the UK. On a measuring instrument that matters, because accuracy is the entire product.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792748929387,"sku":"EVSER1028003","price":10.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/ser1028003_thermometer-8211-spirit-red-8211-partial-immersion.webp?v=1788352550"},{"product_id":"lab-thermometer-205mm-anti-roll","title":"Lab Thermometer 205mm Anti-Roll","description":"\u003ch2\u003e205mm, with the anti-roll top that stops it hitting the floor\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRed spirit thermometer, -10 to +110 degrees C in 1 degree increments. 205mm long, 76mm partial immersion, anti-roll top. No mercury.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe anti-roll top is a small moulded collar and it is the whole reason this one survives a school. A round glass tube on a flat bench rolls, and a thermometer that reaches the floor is a thermometer you buy again. The collar stops it.\u003c\/p\u003e\u003cp\u003e205mm is the everyday length - short enough for beakers, test tubes and shallow trays, and short enough to fit a standard tray or drawer without the tip sticking out and snapping.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow to read an immersion depth.\u003c\/strong\u003e A partial-immersion thermometer is calibrated to be accurate when the liquid comes up to a marked depth on the stem - 76mm here - not when the whole thing is under. Push it further in or leave it shorter and the reading drifts. It is the single most common reason a class gets three different answers off three identical thermometers.\u003c\/p\u003e\u003cp\u003eRed spirit, mercury free, made in the UK.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792748962155,"sku":"EVSER1028015","price":10.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/ser1028015_thermometer-8211-red-spirit-immersion-8211-205mm.webp?v=1788352551"},{"product_id":"total-immersion-thermometer-31cm","title":"Total Immersion Thermometer 31cm","description":"\u003ch2\u003eThe one that has to go all the way in\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eTotal immersion thermometer, -20 to +110 degrees C in 1 degree increments. 31cm long, white, with an anti-roll device.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRead this before you mix it with your other thermometers.\u003c\/strong\u003e This is a \u003cem\u003etotal immersion\u003c\/em\u003e instrument: the supplier states it must be completely immersed to read accurately. Our partial-immersion lab thermometers are the opposite - they are calibrated to a 76mm mark on the stem. Put the two side by side in the same beaker and they will disagree, and neither of them is faulty. If your class is comparing results, use one type or the other, not both.\u003c\/p\u003e\u003cp\u003eGiven that, this is the cheapest thermometer in the range at $6.50 and it reads down to -20, ten degrees lower than the lab pair, which makes it the one for freezing-point work.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOn the name.\u003c\/strong\u003e The supplier lists this product as an \"Environmentally Friendly Thermometer\" but does not say what makes it so. They describe it as pure white and non-toxic, which usually means mercury-free - but they do not print that, and we are not going to claim an environmental credential on their behalf. We have asked. Until they answer, we are listing it under what it demonstrably is: a total immersion thermometer, 31cm, -20 to 110.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792748994923,"sku":"EVNK50032","price":6.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/nk50032_environmentally-friendly-thermometer.webp?v=1788352552"},{"product_id":"large-wall-thermometer-45-to-50c","title":"Large Wall Thermometer -45 to 50C","description":"\u003ch2\u003eA wall thermometer big enough to read from a desk\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWall mountable thermometer, -45 to +50 degrees C. Mercury free.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe point of a wall thermometer in a classroom is that nobody has to go and get it. It sits on the wall or the window and the temperature is simply there, every day, all year - which is what turns \"measure the temperature\" from an activity into a habit. A class that reads the same thermometer every morning for a term ends up with a data set worth graphing.\u003c\/p\u003e\u003cp\u003eThe -45 to +50 range is a weather range rather than a laboratory one. It is not for heating experiments; it is for the room, the verandah, the shade house and the window.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is inside it:\u003c\/strong\u003e the supplier states that it \"contains a petro-chemical solution that primarily consists of Kerosene\", that it \"is safe for use in school environments\" and that it is mercury-free. We are quoting them rather than paraphrasing, because a fill fluid is the kind of thing a science coordinator will want in the supplier's own words.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOne number we do not believe.\u003c\/strong\u003e The supplier lists the dimensions as 380cm x 6.5cm, which would make it a 3.8 metre thermometer. We read that as 380mm - a 38cm scale, which matches the photograph and the description \"large\". We have asked them to confirm, and we would rather flag it than quietly print either figure as fact.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792749158763,"sku":"EVSER1028013","price":8.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/ser1028013_large-wall-thermometer-45-to-50-c.webp?v=1788352637"},{"product_id":"student-thermometers-pack-of-12-40-to-50c","title":"Student Thermometers Pack of 12 -40 to 50C","description":"\u003ch2\u003eTwelve student thermometers at $3.60 each - but read the temperature limit first\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e12 thermometers, -40 to +50 degrees C, roughly 15cm long. Glass tube on a PVC backing. Mercury free. Ages 6+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe limit is 50 degrees C. These cannot go in boiling water, or in hot water from a kettle, or in a beaker over a bunsen.\u003c\/strong\u003e The supplier says so plainly and so do we, because a pack of twelve broken thermometers is an expensive lesson. If your class is heating anything, buy the red spirit lab thermometers instead, which read to 110.\u003c\/p\u003e\u003cp\u003eWhat these are for is everything below body temperature: the room, outside the window, a glass of water in the fridge, ice melting, the difference between the shade and the sun. That is most of primary science and a good deal of early secondary.\u003c\/p\u003e\u003cp\u003eThe plastic backing is what makes them work with young children. It is a flat card with the glass tube fixed along it, so the thing has a shape, it does not roll, a child can hold it without pinching a bare tube, and it can be left standing in a beaker or stuck to a window and forgotten about.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTwelve is the number that changes the lesson.\u003c\/strong\u003e One thermometer is a demonstration; twelve is every pair of students taking their own reading and finding out that measurements disagree - which is the actual lesson.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792749191531,"sku":"EVEIS1200","price":43.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/eis1200_student-thermometers-set-of-12_v1_1.webp?v=1788352638"},{"product_id":"measuring-cylinder-10ml-borosilicate-pack-of-2","title":"Measuring Cylinder 10ml Borosilicate Pack of 2","description":"\u003ch2\u003eTwo 10ml borosilicate cylinders, round base with a spout\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e2 graduated measuring cylinders, 10ml capacity. Borosilicate glass, round base, pouring spout. Subdivision 0.2ml, tolerance 0.20ml.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBorosilicate rather than soda glass is the specification that matters. Borosilicate takes thermal shock - hot liquid into a cold cylinder, or a cylinder straight out of a cold cupboard - without the cracking that ruins ordinary glassware, and it resists most of what a school lab puts in it.\u003c\/p\u003e\u003cp\u003e10ml is the small-volume cylinder: 0.2ml subdivisions, which is fine enough for titration make-up, indicator solutions and anything where a few drops matter.\u003c\/p\u003e\u003cp\u003eThe round base and spout are the practical part: it stands up on a crowded bench, and it pours without running down the outside and taking the measurement with it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupplied as a pack of two.\u003c\/strong\u003e Two is the useful minimum - almost every volume experiment involves comparing one measured amount against another.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792749224299,"sku":"EVEIS0344A","price":12.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/eis0344a_measuring-glass-cylinder-10ml-p2.webp?v=1788352639"},{"product_id":"measuring-cylinder-250ml-borosilicate-pack-of-2","title":"Measuring Cylinder 250ml Borosilicate Pack of 2","description":"\u003ch2\u003eTwo 250ml borosilicate cylinders, round base with a spout\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e2 graduated measuring cylinders, 250ml capacity. Borosilicate glass, round base, pouring spout. Subdivision 2.0ml, tolerance 2.00ml.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBorosilicate rather than soda glass is the specification that matters. Borosilicate takes thermal shock - hot liquid into a cold cylinder, or a cylinder straight out of a cold cupboard - without the cracking that ruins ordinary glassware, and it resists most of what a school lab puts in it.\u003c\/p\u003e\u003cp\u003e250ml is the workhorse size: big enough for solution preparation and displacement work, small enough that a student can lift it full without two hands.\u003c\/p\u003e\u003cp\u003eThe round base and spout are the practical part: it stands up on a crowded bench, and it pours without running down the outside and taking the measurement with it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupplied as a pack of two.\u003c\/strong\u003e Two is the useful minimum - almost every volume experiment involves comparing one measured amount against another.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53792750535019,"sku":"EVEIS0344D","price":31.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/eis0344d_250-ml-borosilicate-measuring-cylinders-pack-of-2_v1_1.webp?v=1788352669"},{"product_id":"universal-tray-with-divider","title":"Universal Tray with Divider","description":"\u003ch2\u003eTen dropper bottles, ten cells, one tray you can carry\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e207 x 85 x 38mm external. Divider makes ten 38 x 38 x 35mm cells. $7.20.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe supplier designed this around one job: holding ten 25 to 50mL dropper bottles so they do not fall over, do not roll, and travel from the prep room to the bench as one object rather than ten.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe cells are 38mm square and 35mm deep\u003c\/strong\u003e - deep enough to stop a bottle tipping, shallow enough that the labels stay readable and a student can lift one out with two fingers.\u003c\/p\u003e\u003cp\u003eIt is not only for bottles. Ten cells at 38mm square also sorts specimen tubes, small weights, magnets, crocodile clips, or anything else that goes missing between one lesson and the next.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe divider lifts out\u003c\/strong\u003e, so the same tray is either ten cells or one open 207 x 85mm tray. If you want the open tray permanently, buy the version without the divider and save $1.00.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53793018642795,"sku":"EVSER1034001","price":7.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/ser1034001_universal-tray-with-divider.webp?v=1788357111"},{"product_id":"universal-tray-without-divider","title":"Universal Tray without Divider","description":"\u003ch2\u003eThe same tray, open, for $6.20\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e207 x 85 x 38mm external. No divider. $6.20.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the Universal Tray with the divider left out. One open 207 x 85mm well, 38mm deep - the right shape for laying out apparatus in the order a class will use it, or for carrying a set of anything from the prep room to the bench.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBuy this one if you want the space, and the divider version if you want the cells.\u003c\/strong\u003e The difference is $1.00. If you buy the tray with a divider you can always take the divider out; you cannot go the other way, because the divider is not sold separately.\u003c\/p\u003e\u003cp\u003eA note on the supplier's dimensions: their description gives 202 x 80 x 35mm in one line and 207 x 85 x 38mm as the full external size in the next. We have quoted the external figure. If the exact size matters for a drawer or a trolley slot, ask us and we will get it confirmed before you order.\u003c\/p\u003e\u003cp\u003eShallow, stackable, and cheap enough to buy in quantity - which is how they end up being useful.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53793020903787,"sku":"EVSER1034002","price":6.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/ser1034002_universal-tray-without-divider.webp?v=1788357167"},{"product_id":"bell-in-vacuum-demonstration-set","title":"Bell in Vacuum Demonstration Set","description":"\u003ch2\u003eYou need a vacuum pump, and we do not sell one\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRead this first: this is the bell jar, plate and electric bell. The vacuum pump is a separate item, it is not included, and we do not currently stock it. Without a pump this apparatus does nothing.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe supplier specifies vacuum pump SER1014149. That is not on our site. If you already have a working laboratory vacuum pump this set will work with it; if you do not, buy the pump first or ask us to quote one before you order this.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the demonstration shows.\u003c\/strong\u003e A ringing bell sits sealed inside the jar. As air is pumped out, the sound fades and eventually disappears while the striker is plainly still moving. Sound needs a medium; light does not. It is one of the few physics demonstrations where students watch a thing happen and cannot argue with it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOne thing the supplier is unclear about.\u003c\/strong\u003e The product name says \"with Plate \u0026amp; Bell - Electric\", but their own description talks about a ringing alarm clock under the jar. We do not know whether the sound source shipped is an electric bell, a clock, or both, so we are not going to describe it as either. Ask us and we will confirm exactly what is in the box before you order.\u003c\/p\u003e\u003cp\u003e$200.00. Made for demonstration rather than class sets - one per science department.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53793020936555,"sku":"EVSER1052591","price":200.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/ser1052591_bell-in-vacuum-with-plate-038-bell-8211-electric.webp?v=1788357168"},{"product_id":"magnetic-teacher-ruler-1m-whiteboard","title":"Magnetic Teacher Ruler 1m Whiteboard","description":"\u003ch2\u003eIt only sticks if your whiteboard is steel\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eOne metre, marked in metres and centimetres, with two magnetic strips on the back. $29.00.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe point of a magnetic ruler is that it stays where you put it. Draw a line, step back, talk to the class, come back - it has not slid down the board. That is the entire product, and it works well.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe catch: not every whiteboard is magnetic.\u003c\/strong\u003e The supplier is upfront about this - the magnets hold the ruler firmly to the board IF the board is metal-based. Painted, melamine and glass whiteboards are not, and the ruler will simply fall off them. Check yours with a fridge magnet before you order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eA full metre.\u003c\/strong\u003e Marked in metres and centimetres, which is the scale for demonstrating measurement to a whole class - big enough to be read from the back of the room, and long enough that a metre means something rather than being described.\u003c\/p\u003e\u003cp\u003eTwo magnetic strips rather than one, so it does not pivot around a single point when a student pulls a pencil along it.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53793021624683,"sku":"EVSER1064040","price":29.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/ser1064040_magnetic-teacher-ruler-whiteboard-1m_v1_1.webp?v=1788357198"},{"product_id":"borosilicate-glass-beakers-100ml-pack-of-12","title":"Borosilicate Glass Beakers 100ml Pack of 12","description":"\u003ch2\u003eTwelve 100ml borosilicate beakers - $3.63 each\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eBorosilicate 3.3 glass, low form, spout, printed graduations. Pack of 12 for $43.50.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBorosilicate 3.3 is the grade that matters. It handles heat and thermal shock - which is what a beaker in a school lab actually gets, moving between a bunsen and a bench - and it resists chemical attack. Ordinary soda glass cracks; this does not, not from normal use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe graduations are printed and permanent.\u003c\/strong\u003e They survive dishwashers and autoclaves, which is where cheaper beakers lose their scale after a term and become unlabelled cups.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLow form with a spout.\u003c\/strong\u003e Low form is the standard classroom shape - stable on a bench, wide enough to stir in, easy to pour from without dribbling down the side.\u003c\/p\u003e\u003cp\u003eTwelve is a class set for pair work in a room of 24. Uniform wall thickness is what the supplier credits for the durability, and it is the right thing to care about - most beaker breakages start at a thin spot.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53793063534955,"sku":"EVEIS0126E-12","price":43.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/eis0126e-12_mta-glass-beakers-100ml-pk12_v4_1.webp?v=1788358270"},{"product_id":"graduated-plastic-beakers-set-of-5","title":"Graduated Plastic Beakers Set of 5","description":"\u003ch2\u003e50, 100, 250, 500 and 1000ml - one of each, $33.00\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePolypropylene, raised graduations, autoclavable. One beaker of each size.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe point of a graduated set is that you stop pouring between vessels. A 50ml measurement goes in the 50ml beaker where the scale is fine enough to read; a litre goes in the litre beaker. Five sizes covers everything a school practical asks for.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePlastic, not glass, and that is a deliberate trade-off.\u003c\/strong\u003e Polypropylene will not shatter, which matters with younger students and in a wet room. It also cannot go on a flame - so this is the set for measuring, mixing and pouring, and the borosilicate beakers are the set for heating.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRaised graduations rather than printed.\u003c\/strong\u003e Moulded into the wall, so they cannot rub off in a dishwasher or an autoclave.\u003c\/p\u003e\u003cp\u003eGood chemical resistance and clear enough to see a colour change through. One set per bench.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53793063600491,"sku":"EVEIS137E","price":33.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/eis137e_graduated-beakers-set-of-5.webp?v=1788358271"},{"product_id":"volumetric-flasks-1000ml-grade-b-pack-of-2","title":"Volumetric Flasks 1000ml Grade B Pack of 2","description":"\u003ch2\u003eTwo litre-size volumetric flasks, tolerance plus or minus 0.80ml\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e1000ml Grade B borosilicate volumetric flasks with polyethylene stoppers. Pack of 2 for $60.00.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA volumetric flask does one job precisely: it holds exactly the stated volume when filled to the line. That is what standard solutions and accurate dilutions need, and it is why a beaker or a measuring cylinder will not do.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTolerance is plus or minus 0.80ml on 1000ml\u003c\/strong\u003e - Grade B, which is the standard grade for school and general laboratory work. It is calibrated \u003cem\u003eto contain\u003c\/em\u003e 1000ml at 20 degrees C.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNever heat one.\u003c\/strong\u003e The supplier is explicit: volumetric flasks must not go on a hotplate or over a bunsen. Heating changes the glass volume and the calibration goes with it. Dishwashers and autoclaving at 121 degrees C are fine and do not affect accuracy.\u003c\/p\u003e\u003cp\u003eThe stoppers are chemical-resistant polyethylene to DIN 12664 with a 24\/29 socket. Read the meniscus with the flask vertical and the line at eye level - parallax is the biggest source of error in practice, well ahead of the flask itself.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53793063666027,"sku":"EVEIS0448I","price":60.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/eis0448i_volumetric-flask-glass-1000ml-p2_v1_1.webp?v=1788358272"},{"product_id":"petri-dishes-90mm-pack-of-20","title":"Petri Dishes 90mm Pack of 20","description":"\u003ch2\u003eTwenty 90mm dishes with lids - 75c each\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e90mm diameter, 15mm external depth, 12mm internal. Plastic with safety lids. Pack of 20 for $15.00.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe everyday petri dish. Seed germination, crystal growing, sorting small specimens, holding a sample under a magnifier, mixing tiny quantities - the uses that do not involve culturing anything.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThese are not described as sterile.\u003c\/strong\u003e The supplier calls them plastic dishes with safety lids and says nothing about sterility. If you are culturing bacteria or fungi, buy the sterile pack of 100 instead - a non-sterile dish means you are growing whatever was already in it as well as what you put there, and the result is not a result.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIf you are culturing microbes in a school\u003c\/strong\u003e, the supplier provides no growth medium and no handling guidance with these. Follow your own state or system's guidance and talk to your lab technician about what may be cultured and how plates are disposed of. We are not going to write that policy for you.\u003c\/p\u003e\u003cp\u003eFor everything that is not microbiology, twenty at 75c each is the cheap and obvious buy.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53793066189163,"sku":"EVNK50068","price":15.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/nk50068_9-cm-petri-dishes-pack-of-20.webp?v=1788358355"},{"product_id":"sterile-petri-dishes-90-x-15mm-pack-of-100","title":"Sterile Petri Dishes 90 x 15mm Pack of 100","description":"\u003ch2\u003eSterile, bagged in tens - 70c a plate\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e90mm diameter, 15mm external depth, 12mm internal. Sterile plastic with safety lids. 10 sterile bags of 10, 100 in a box, $70.00.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe packaging is the feature.\u003c\/strong\u003e Ten sterile bags of ten rather than one bag of a hundred means you open a bag, use ten, and the other ninety stay sterile. A single opened box of a hundred is a box of ninety contaminated dishes after the first lesson.\u003c\/p\u003e\u003cp\u003eSterile is what you need for anything you intend to grow. A plate that starts sterile means what appears on it came from the sample, which is the entire point of the experiment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is not included:\u003c\/strong\u003e no growth medium, no agar, and no handling guidance from the supplier. For school microbiology, follow your state or system's guidance on what may be cultured, and talk to your lab technician about incubation temperature and plate disposal before you start. We are not going to give safety advice on the manufacturer's behalf.\u003c\/p\u003e\u003cp\u003eTransparent, so growth is observed without lifting the lid. At 70c a plate it is cheaper per dish than the non-sterile pack of 20.\u003c\/p\u003e","brand":"MTA Essentials","offers":[{"title":"Default Title","offer_id":53793066254699,"sku":"EVNK50804","price":70.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/nk50804_petri-dishes-90mm-x-15mm-pk100_v2_1.webp?v=1788358356"},{"product_id":"plastic-hexagonal-weights-set-of-54","title":"Plastic Hexagonal Weights Set of 54","description":"\u003ch2\u003e54 stackable colour-coded weights, 300g in total\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e20 x 1g, 20 x 5g, 10 x 10g and 4 x 20g. 300g total. 35mm hexagons. $19.50.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe arithmetic works out: 20g of ones, 100g of fives, 100g of tens and 80g of twenties. That combination reaches any whole number of grams up to 300 in a sensible way, which is what makes a weight set useful rather than just heavy.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eColour coded by denomination\u003c\/strong\u003e, so a child picks the right one by sight instead of reading a stamp. That is the difference between a maths lesson about mass and a maths lesson about finding weights.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHexagonal and stackable.\u003c\/strong\u003e Hexagons do not roll off a bench, and they stack neatly on a balance pan without sliding. At 35mm across they are big enough for small hands.\u003c\/p\u003e\u003cp\u003ePlastic rather than brass or iron - lighter to carry as a class set, no rust, no sharp edges, and cheap enough to lose a few. 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The slot lets each disc drop onto the hanger stem without unthreading anything, so a student changes the load in seconds during an experiment rather than between them.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat they are for.\u003c\/strong\u003e Hooke's Law with springs, force and acceleration work, pulley systems, moments on a metre rule - anything where the load needs to change in known steps. Ten grams is a fine enough step for a school spring.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOne thing to check yourself.\u003c\/strong\u003e The supplier does not publish the mass of the hanger. In an experiment where the total hanging mass matters, weigh the hanger once on a balance and add it in - do not assume it is zero or a round number. We have asked them for the figure.\u003c\/p\u003e\u003cp\u003eNickel-plated iron, so they resist rust better than bare steel and stand up to being dropped. 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Students consistently picture the heart as smaller than it is, and a model at true scale corrects that in one glance in a way no diagram does.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIt opens.\u003c\/strong\u003e Two parts, so the chambers, valves and vessel openings inside are visible rather than described. Blood flow becomes a route you can trace with a finger instead of a set of arrows on a page.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat we can tell you and what we cannot.\u003c\/strong\u003e The supplier states the size, the two-part construction and that it shows internal structures and circulation pathways. They do not say whether the parts are numbered or keyed to a chart, and they do not supply a labelled guide with the listing. 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