MARTHA STEWART CRAFTS-Crafter's Clay Starter Kit: Heirloom. Crafter's Clay is a pliable modeling compound that will air dry to a firm consistency within 24 hours either in or out of a mold. Colors can be easily mixed to create new colors and items can be painted and decorated when dry for further design detail. Use it to make embellishments; ornaments; figurines; and other craft projects. This kit comes with everything you need to create beautiful molded pieces including: five colors of Crafter's Clay (white; blue; brown; red; and yellow); two detailing tools; four silicone molds; floral tape; floral wire; and an instruction booklet with a color-mixing chart. Conforms to ASTM D4236. Imported.