Crystal Growing Kit
Pyramids, spikes or octahedrons? Usually taking years to form, you can grow customized crystals in just days with this Thames & Kosmos Crystal Growing Kit, then display the sparkling bounty in a clear treasure chest. Featuring a 32-page manual and 13 color-shape combinations, experiment with making geodes or crystals on top of crystals inside of crystals! Will you gaze into your creations to discover the chemistry of crystalline structure—or see into the future?