Mad Mattr from Waba Fun is a close cousin of Kinetic Sand. Soft and moldable, this sensory material will pack tight and stretch when pulled. Vivid colors give this irresistible dough immediate appeal. It can be molded, mixed, stretched, twisted, and sculpted. Non toxic, gluten free, casein free, and easy to store - Mad Mattr never dries out. Available in your choice of blue, green, teal, purple, red, or pink.