{"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","url":"https:\/\/megaofficesupplies.com.au\/products\/bulbs-2-5v-screw-base-pack-of-100","provider":"Mega Office Supplies","version":"1.0","type":"link"}