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! national geographic toys is proud to provide a 100% satisfaction with all our products so that you can buy with confidence. About the national geographic society with a mission to inspire people to care about the planet, the 126-year-old national geographic society is one of the worlds largest non-profit scientific and educational organizations. National geographics net proceeds support vital exploration, conservation, research, and education programs.