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.
Build your own 10 inch kaleidoscope with this great kit!
Make the coolest 3D pin art on your desk with this amazing desk toy.
This kit allows to build up to 3 different robots!
Build over 100 exciting electronic projects with this easy to use kit!
A touch of joy. A touch of science. Light responds to your touch and to the music in your room!
Build 20 different solar powered models with unique building pieces, controlled by an RC handset!