AGE RANGE 10-12
Thames & Kosmos Crystal Growing
Thames & Kosmos Crystal Growing
Thames & Kosmos
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Grow dozens of dazzling crystals and conduct 15 hands-on experiments with this classic science kit. Work with four different crystal types—potassium alum, sodium sulfate, sodium acetate, and gypsum—each with unique properties and shapes. Mold colorful plaster shapes, create layered crystals, mix dyes for rainbow colors, and build your own geode. Explore how crystal growth speed affects structure, experiment with temperature changes during crystallization, and discover the chemistry behind it all. Includes a clear treasure chest display case and a full-color 32-page experiment guide. Trusted by over one million users worldwide.
Ages 10+
WARNING: Choking Hazard - Small Parts. Not for children under 3 years.
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