SPARK: Crystal Geode

Thames & Kosmos SKU: TKS-551101
SPARK: Crystal Geode - STEMfinity

SPARK: Crystal Geode

Thames & Kosmos SKU: TKS-551101
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SPARK: Crystal Geode

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. Learn about geological crystal formations.

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