{"product_id":"tube-einstein-cristaux-dalun-ml","title":"Einstein Tube – Alum Crystals","description":"\u003cp data-start=\"3536\" data-end=\"3975\"\u003eWith the \u003cstrong data-start=\"3572\" data-end=\"3589\"\u003eEinstein Tube\u003c\/strong\u003e – \u003cstrong data-start=\"3592\" data-end=\"3609\"\u003eAlum Crystals\u003c\/strong\u003e, kids can explore the magic of crystal growth by creating real, colourless alum crystals. These crystals are \u003cstrong data-start=\"3719\" data-end=\"3732\"\u003enon-toxic\u003c\/strong\u003e and easy to grow: simply follow the step-by-step instructions, be patient, and watch as crystals slowly take shape over time. It’s a visually striking and educational activity that introduces basic chemistry concepts in a fun, hands-on way.\u003c\/p\u003e\n\u003cp data-start=\"3977\" data-end=\"4192\"\u003eGrowing a large crystal can take several days or even a couple of weeks, turning this into a long-term observation project. Children can check progress regularly, compare changes and truly feel like real scientists.\u003c\/p\u003e\n\u003cp data-start=\"4194\" data-end=\"4473\"\u003eThe\u0026nbsp;\u003cstrong data-start=\"4221\" data-end=\"4254\"\u003eEinstein Tube – Alum Crystals\u003c\/strong\u003e is for you if you enjoy simple science experiments, long-term observation projects and the satisfaction of seeing something grow day after day. It’s ideal for home science time or as a fun extension to school projects.\u003c\/p\u003e\n\u003cp data-start=\"4475\" data-end=\"4701\"\u003e\u003cstrong\u003eFun fact:\u0026nbsp;\u003c\/strong\u003eAlum crystals are commonly used in classroom experiments to demonstrate how crystals form from saturated solutions. Their clear, glass-like appearance and slow growth make them especially impressive and educational.\u003c\/p\u003e\n\u003cp data-start=\"5113\" data-end=\"5183\"\u003e\u003cstrong\u003eCONTENTS\u003c\/strong\u003e\u003cbr data-start=\"5125\" data-end=\"5128\"\u003eAlum crystal powder\u003cbr data-start=\"5147\" data-end=\"5150\"\u003eInstructions for growing crystals\u003c\/p\u003e\n\u003cp data-start=\"5185\" data-end=\"5262\"\u003ePlayers: 1\u003cbr data-start=\"5252\" data-end=\"5255\"\u003eAge: 8+\u003c\/p\u003e","brand":"The Purple Cow","offers":[{"title":"Default Title","offer_id":47724477645051,"sku":"7290020286055","price":9.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/5847\/1419\/files\/tube-einstein-cristaux-d-alun-ml-passe-temps-science-1208389627.png?v=1764013550","url":"https:\/\/www.asdesjeux.com\/en\/products\/tube-einstein-cristaux-dalun-ml","provider":"L'As des jeux","version":"1.0","type":"link"}