Grow your own Amazing Large Crystals, Crystal Clusters, and Crystal Geodes. Grow Gold Citrine, Emerald, Amethyst, and more with the Smithsonian Electronic Crystal Growing kit. Includes: Crystal growing Chemical; Crystal and Geode Growing Cup; Molds; Casting Compound; Safety Goggles; Color Changing Display base; Detailed Instructions.
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Smithsonian Electronic Crystal Growing
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