CRAYOLA-Unique molding material-lightweight and spongy, even after drying. Air-drying (drying time depends on size of artwork). Soft and pliable for easy use. Clean-handling, safe, and non-toxic. Will not crumble or stick to skin and clothing. Dried pieces can be decorated with markers, paints, and glitter glue. Decorative items can be added by gluing onto dried pieces into soft pieces. This tub includes (1) 8 ounce package each of white, red, blue, and yellow. 4 soft, squishy, modeling materials! Net weight of tub is 2 pounds. Model Magic can be mixed and blended to get cool new colors. Keep finished product away from open flame. Do not put in oven, microwave, or kiln. Recommended for children ages 5 and up. Made in USA.