Available in 6 colors. Self hardening clay. No firing required. Clay air dries. Model clay into object or press into a mold to take the imprint. Allow 4 to 5 days to dry. Store remaining clay in plastic bag to keep from drying. Place near a source of heat to hasten drying of clay object. When completely dry, apply sand, glue, or jewels, etc., then apply paint and varnish.