Ideal for crafts and school projects, the Air-Dry Clay Bright Colors Variety Pack lets young artists create bright, colorful sculptures without the heat of a kiln or oven. This natural earth clay air-dries from wet clay to a hardened solid over two to three days. It is smoother, finer, and more moldable than traditional clay, Crayola Air-Dry Clay softens with just a few drops of water. Simply add water to the clay, let the excess evaporate, and begin molding to create an original sculpture. Easy to mold and sculpt, it is ideal for creating decorative items, plaques or mini sculptures. The pack includes 0.25 lb. foil packs of bold colors: white, coral, emerald and violet.