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.
Learn Chemistry While Creating Sweet Treats
Get one of the craziest and coolest kaleidoscopes around!
Great reference card for chemistry and physics students.
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
You don’t think recycling is cool? Get a look at this, we’re sure you’ll change your mind!
Build a model green house and 9 other green energy-related devices with this great kit!
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