Grow incredible glowing crystals in your own home! National Geographic's Glow-in-the-Dark Crystal Growing Kit is a fascinating and fun science experiment. The included learning guide is packed full of interesting crystal facts and there's even a real fluorite specimen inside. It's the most comprehensive crystal growing kit on the market! This science kit includes: Growing powder, seed rock, stir stick, real fluorite crystal, National Geographic' s learning guide with instructions. It's the perfect project for kids and serves as a great introduction to geology and chemistry. This kit from National Geographic is sure to spark a love of science in your child that will last a lifetime. Get your Glow-in-the-Dark Crystal Growing Kit today and discover incredible glowing crystals!