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Thames & Kosmos Crystal Growing Experiment Kit

  • Sale
    Regular $39.99
  • This product is not eligible for promotional offers and coupons. However, you are able to earn and redeem Kohl's Cash and YES2YOU Rewards on this product.

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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