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Thames & Kosmos Crystal Geode 551007

Thames & Kosmos

$ 24.99 $ 29.99

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Grow a beautiful crystal geode, a hollow rock with crystals inside it, by first molding a plaster shell and then filling it with a crystal-forming solution. Learn about geological crystal formations.

  • Item No. 551007
  • Brand SPARK Subject Earth Science
  • Age 7+
  • Experiments 1
  • Manual Pages 8
  • Manual Dimensions (Inches) 3.5 x 3.5
  • Manual Product Dimensions (Inches) 7.1 x 10 x 2.1

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