Glitter Lava can be used over and over, time and time again. You can stretch it! It Snaps and Pops! It inflates, it Bounces and it Oozes, all of the fun things kids like to do with compounds and more. Glitter Lava is safe to use by children and is non-toxic. and just as importantly, Glitter Lava is fun to use and provides hours of creative fun for children 4 years and over.