Grow amazing glowing crystals in your own home! National Geographics Glow-in-the-Dark Crystal Growing Kit brings you a fun and fascinating science experiment. With a learning guide packed full of interesting crystal facts and a real fluorite specimen included, you get the most comprehensive crystal growing kit on the market! This science kit includes: Growing powder, seed rock, stir stick, real fluorite crystal, National Geographics learning guide with instructions This is the perfect project for kids of all ages and serves as a great introduction to geology and chemistry. This kit from National Geographic will 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 miraculous glowing crystals!