Impulse Science

Make five colorful, rubbery balls resembling planets in minutes.

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.

These kits include all the materials and tools you need to grow a single crystal, as well as a small hexagonal storage box in which to keep your crystal safe

These kits include all the materials and tools you need to grow a single crystal, as well as a small hexagonal storage box in which to keep your crystal safe.

For the kid who can’t get enough of crystals and surprises, Grow a Mystery-Color Crystal is a must-have.

These kits include all the materials and tools you need to grow a single crystal, as well as a small hexagonal storage box in which to keep your crystal safe.