LIMITED SUPPLIES LEFT! NOW 25% OFF!!!! Bubber is a super-soft compound that leaves clean, sharp lines and takes amazing imprints. Molding and carving have never been so much fun! Bubber is perfect for sculpting, is non-toxic, leaves no stain or residue and never dries out, so you can play with it over and over again. Bubber is non-toxic, gluten-, wheat- and casein-free. Color options:5BUBB2-Blue, 5BUBB3-Green,5BUBB5-Yellow.