Grow green sparkling crystals overnight from a safe solution of potassium aluminum sulfate. Extract the largest crystal shard, redissolve the remaining crystals, and repeat the crystal formation process to grow a larger, more striking crystal. The kits includes 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.
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
This science kit is an essential introduction to physics knowledge!
Buy Newton's Cradle or balance balls here! This classic science desk toy that will keep you amused and teach you physics.
Build 14 assorted solar robots, some of which can travel over water!
Make the coolest 3D pin art on your desk with this amazing desk toy.
This classic device is used to demonstrate the conservation of mechanical energy.