As Seen On TV Lumi Dough! About the Product 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 Ages 4+