Crayola Air Drying Clay is a solution that is perfect for art room and classroom. Clay can dry anywhere, anytime. Can also supplement kiln programs for students who miss the opportunity to have pieces fired. Results in the creation of a piece that can be sent home or easily kept. No need for special glazes. Can be decorated with tempera or acrylic paints, or watercolors. Air Dry Clay is less clumpy than traditional clays and cleans more easily off hands and surfaces.