Ready to use paper clay. Is not necessary to perform a pre-mix or wait to use it. Air dries, no need for an oven or kiln. Once dry, is light as paper and easy to decorate with paint. Does not stain, and unused clay can be re-stored airthight. SB3 Paper Clay & Tools Classpack 4.5 lb of Paper Clay (3 bars) + 20 assorted spatulas in a reusable and durable trunk