Crystal Geode - 3L

Regular price $10.95
Sale price $10.95 Regular price
Grow a beautiful, colorful crystal geode, a hollow rock with crystals inside it, by first molding a plaster shell and then filling it with a crystal-forming solution.

Details:
  • Learn about geological crystal formations
  • For ages 8 and up
Contents:
  • Mold
  • Plaster
  • Potassium aluminum sulfate
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