Call Us: (800) 985-STEM "7836"
Hours: M-F 8 AM to 5 PM (MST) 
SPARK: Crystal Geode - STEMfinity
  • SKU: TKS-551101

SPARK: Crystal Geode

$9.95
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.