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.