Smithsonian Crystal

From the ManufacturerWatch in amazement as gem-like crystals form before your ... From the ManufacturerWatch in amazement as gem-like crystals form before your eyes. Grow golden citrine emerald green and aquamarine blue. Learn about crystalline habitats. Detailed instructions are included. more

This is NSI Smithsonian Magic Rocks Instant Crystal Growing Kit. Create a bril... This is NSI Smithsonian Magic Rocks Instant Crystal Growing Kit. Create a brilliant underwater garden. Rocks grow to different heights up to 4 and assorted colors. This science set includes Chemical contents 1 Space Background Print 1 Sticker Sheet 1... more