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  3. SPARK: Crystal Geode
SPARK: Crystal Geode SPARK: Crystal Geode SPARK: Crystal Geode
SPARK: Crystal Geode

SPARK: Crystal Geode

Brand: Thames & Kosmos

Product Code: TKS-551101

Availability: In Stock

$9.95 $9.95
  • Description

SPARK: Crystal Geode

  • Ages 8+
  • 3 Experiments
  • 7 Pieces
  • 10-Page Manual

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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