6 single packs of modeling material, each pack is 6.5 ounces. Total weight: 3 ounces. Includes project booklet. This package can make lots of long lasting arts and crafts! Features: soft and pliable for easy use, lightweight even after drying clean, handling safe, and non-toxic will not crumble or stick to skin, and clothing air-dries in 24 hours. Conforms to ASTM D4236. Made in USA.