Pelikan Non-Hardening Modeling Clay, 10 Colors/Pack, Assorted Colors (06700000) Plastilina clay is easily moldable and non-hardening Bright, vivid colors are easily mixable to create a masterpiece 10 colors: Blue, Green, White, Yellow, Orange, Pink, Red, Brown, Gray, Black Non-toxic and conforms to ASTM D 4236 Total weight: 180g/6.34 oz.