{"product_id":"4m-crystal-growing-create-3-colored-crystals-diy-stem-craft-experiment-kit","title":"4M Crystal Growing Kit - DIY STEM Chemistry Experiment, Grow 3 Colored Crystals","description":"\u003cp\u003e4M's Crystal Growing kit lets kids mix and seed three colored crystal compounds to grow their own crystals, watching chemistry turn into a real, visible result. A diagram on the box shows which base combinations produce which crystal colors, so kids can experiment with different pairings before seeding their mix. It's a hands-on introduction to geology and chemistry for kids curious about how crystals actually form, built around real observation rather than a quick craft project.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIncludes three colored crystal seeding mixtures for growing distinct crystal colors\u003c\/li\u003e \u003cli\u003eBox diagram shows which base combinations create which colors, adding a layer of experimentation\u003c\/li\u003e \u003cli\u003eGrown crystals reach approximately 4cm x 5cm (up to 5cm wide and 4cm tall)\u003c\/li\u003e \u003cli\u003eCovers STEM basics like chemical reactions and crystal growth, with a focus on geology and chemistry\u003c\/li\u003e \u003cli\u003eRecommended for ages 10+ with adult supervision required throughout the experiment\u003c\/li\u003e \u003c\/ul\u003e","brand":"Flat River Group","offers":[{"title":"Default Title","offer_id":52223711379672,"sku":"G4893156039132","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/0476\/7192\/files\/nwl1kmayi5wufpyla9wy.jpg?v=1786507503","url":"https:\/\/www.toysrus.com\/products\/4m-crystal-growing-create-3-colored-crystals-diy-stem-craft-experiment-kit","provider":"Toys\"R\"Us","version":"1.0","type":"link"}