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Thames & Kosmos Crystal Growing Experiment Kit

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or Regular $57.99 each
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Product Details
SKU #79201863

Grow dozens of dazzling crystals and conduct 15 illuminating experiments with this classic science kit from Thames & Kosmos.


  • Experiment with 4 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 & plaster, which is made from gypsum crystals
  • Mold fun plaster shapes & grow layers of crystals on them
  • Use dyes to form colored crystals & mix the dyes to grow a rainbow of custom colored crystals
  • Display your crystal creations in a clear treasure chest with a locking lid
  • Mold your own geode
  • Investigate solutions, crystallization & the chemistry of crystal growing
  • Thoroughly tested & safe


  • 26-piece
  • Age: 10 years & up
  • Manufacturer's 1-year limited warranty
  • For warranty information please click here
  • Imported
  • Model number: 643522

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Due to its contents, this product cannot be shipped via our Priority Service or sent to Alaska, Hawaii, P.O. boxes, and/or APO/FPO military addresses.

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