AMACO-Sculptamold Modeling Compound. A modeling and casting compound for all ages. Finished objects are lightweight and extremely durable. This compound mixes easily and quickly with water and models like clay but sets like plaster in 30 minutes. It adheres to most clean surfaces and can be oven dried at 200 degrees. When dry, Sculptamold can be sanded, sawed, carved, or nailed without chipping. This package contains 3lbs of Sculptamold. Non-toxic and conforms to ASTM D4236. Made in USA.