Polyform EZ Shape Modeling Clay is a pigmented wax base sculpting medium that has a smooth consistency and bright color range. It remains permanently pliable and will never harden. It is great for Sculptors, Model Makers and Animators, ages 4 and up. Non-toxic, lead-free and reusable. 20 pc. Color Sampler - includes Brown, Red, Gray, White, Yellow, Pink, Orange, Green, Royal Blue, Black, Forest Green, Purple, Blue, Cream, Neon Orange, Neon Yellow, Neon Pink, Neon Green, Neon Red, and Neon Fuchsia.