Mad Mattr® is the smartest dough to ever flow! S-t-r-e-t-c-h your creativity to the max… Mad Mattr® is a super-soft modeling compound that molds and shapes easily. Press it, mold it, knead it, stretch it, squeeze it, and sculpt it. It’s unique, non-toxic formula is casein- and wheat-free, and available in 6 vibrant colors that can be mixed together, too! Mad Mattr is not only fun, it’s also perfect for building fine motor skills and has a natural calming effect. Cleanup is easy, as it only sticks to itself. Don’t worry if Mad Mattr® is left out of the pouch, as it never dries out. So it can be used over again, providing hours of endless, s-t-r-e-t-c-h-y, open-ended play.