Thames and Kosmos

Grow Red Crystal Geode

Regular price $10.99

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.

Vendor: Thames and Kosmos

Item #551101

SKU #0401479

Ages 8+

More from this collection