Crystal Growing

Cat & Mouse Games

  • $ 39.99
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Experiment with four chemically different crystals each with different properties. Grow crystals fast and slow or big and small. Grow one big crystal or many small crystals on the surface of a rock. Learn about the energy of crystallization, the chemistry of crystal growing, and the geometries of different crystal shapes.

This kit is thoroughly tested and safe: over one million units have sold worldwide.

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