Thames and Kosmos Crystal Growing Hot Toys Learn about specific heat and

Learn about specific heat and the phases of matter by molding chocolates

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mineral deposits

Dean Winchester Figure Specs

Thames and Kosmos Crystal Growing Hot Toys Learn about specific heat andGrow dozens of dazzling crystals and conduct 15 illuminating experiments with this classic science kit. Experiment with four chemically different crystals each with different properties, including potassium alum crystals that form regular octahedrons, rapidly growing sodium sulfate crystals, long needle shaped sodium acetate crystals, and plaster which is made from gypsum crystals. Mold fun plaster shapes, including stars, lightning bolts, dolphins,