{"product_id":"grune-kristalle","title":"Green crystals","description":"Just open it and get started! Thanks to the clever design and the included materials, the blue crystals of this KOSMOS set can be magically grown directly in the packaging cup in a short time. The green crystals provide sparkling fun and children can easily gain their first experiences in the world of chemistry. \u003cbr\u003e\u003cbr\u003eContents: 1 sachet of alum (20g), one green dye tablet, measuring cup with lid, spatula, colorfully illustrated instructions\u003cbr\u003e\u003cbr\u003eAdditional materials required: Tap water, rinsed jam jar.\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","brand":"KOSMOS","offers":[{"title":"Default Title","offer_id":53214122475853,"sku":"65615","price":3.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/5980\/8589\/files\/4002051656157.png?v=1781710811","url":"https:\/\/www.kosmos.de\/en\/products\/grune-kristalle","provider":"KOSMOS Verlag","version":"1.0","type":"link"}