Chenille Kraft 4091 Modeling Clay Assortment, 27 1/2g each Assorted Neon,220 g Sold as 1/PK. Easy-to-use reusable non-hardening clay. Colors are created from vegetable-based dyes. The clay makes solid, durable forms without need for baking in an oven or firing in a kiln. Smoother, finer and less sticky than traditional clay. Softens easily with water.