Bubber, the award-winning and lightest modeling compound on earth! This easy-to-use product feels great in your hands, and since it is so lightweight, you can mold just about anything. Bubber is a super-soft compound that leaves clean, sharp lines and takes amazing imprints. Bubber is non-toxic, leaves no stain or residue and never dries out, so you can play with it over and over. It is great for developing fine motor skills!