Grow blue 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.
An unconventional ball-tossing, head-catching challenge for 2 players or teams!
Every kid needs one of these spheres!
This kit will get your paper plane ready for takeoff!
Defy gravity with this cool balancing eagle!
View the glory of space with this hi-tech telescope set!
Perform awesome experiments using everyday materials found in any kitchen!