Amazon.com: Sargent Art Terra Cotta Clay, 2 Pound, Non-Hardening and Individually Wrapped, Long Lasting & Non-Toxic, Air Dry, Soft Molding Magic Clay for Kids, Beginners, and Artists
Amazon.com: Jovi Plastilina Reusable and Non-Drying Modeling Clay 6.5 lbs; 1.75 Oz. Bars, Set of 60, 6 Each of 5 Core Colors Plus 2 Each of 15 Rainbow Colors, Perfect for Arts