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Thames & Kosmos

Hot Ice Crystals

$19.95

Your Price: $19.95

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Product Code: 814743011885


These amazing crystals form instantly out of a sodium acetate solution. They look like ice but they release heat upon formation. Use the solution to mold a beautiful crystalline polar bear and seal. Create an elegant crystal castle with shimmering spires. Learn about the chemical reaction that makes this happen.

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