{"product_id":"blaue-kristalle","title":"Blue crystals","description":"Simply open and get started! Thanks to the clever design and the included materials, the blue crystals of this KOSMOS set can be grown as if by magic directly in the packaging cup within a short time. The green crystals provide sparkling fun and children easily gain their first experiences in the world of chemistry. \u003cbr\u003e\u003cbr\u003eContents: 1 sachet of alum (20g), a blue dye tablet, measuring cup with lid, spatula, color-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":53214125359437,"sku":"65610","price":3.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/5980\/8589\/files\/4002051656102.png?v=1781694518","url":"https:\/\/www.kosmos.de\/en\/products\/blaue-kristalle","provider":"KOSMOS Verlag","version":"1.0","type":"link"}