Crystal Geode

C$11.50
Availability: In stock (2)

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.

SPARK is a line of experiment kits covering a wide range of scientific subjects. They make science activities accessible, approachable and FUN!

Recommended Age 7+

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