Lumi Dough - The Magical Silicone Doh That Glows In The Dark, Non-Toxic Play Your little one can stretch, bend and shape the dough easily Lumi Dough doesn't harden until you bake it, even if it's left exposed to air for extended periods of time Non-toxic silicone material has added antibacterial solutions to help prevent the spread of germs Waterproof and reusable for plenty of fun Glows in the dark for a cool effect your child will love No powder, no mess and no cracking for a kid-safe design