{"product_id":"kristalle-grun","title":"Crystals green","description":"\u003cp\u003eIn this KOSMOS experiment set, a sparkling crystal is grown overnight from crystal salt and green dye. The wonder of nature can then be displayed in a small jewellery box. \u003cbr\u003eChildren playfully experiment with different solutions during the growth process, discovering the first aspects of chemistry. The easy-to-understand, colourful instructions explain step-by-step how to grow the crystals. For ages 10 and up.\u003cbr\u003e\u003cbr\u003eContents: 1 sachet of alum (20g), 1 green dye tablet, measuring cup, spatula, crystal box, colourfully illustrated instructions\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eManufacturer \/ Responsible person:\u003cbr\u003eFranckh-Kosmos Verlags-GmbH \u0026amp; Co. KG, Pfizerstrasse 5-7, 70184, Stuttgart, Germany, kosmos.de\/servicecenter\u003c\/p\u003e","brand":"KOSMOS","offers":[{"title":"Default Title","offer_id":53214123983181,"sku":"65795","price":4.49,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/5980\/8589\/files\/4002051657956.png?v=1781710826","url":"https:\/\/www.kosmos.de\/en\/products\/kristalle-grun","provider":"KOSMOS Verlag","version":"1.0","type":"link"}