An innovative coloring tool designed to help teach the proper gripping technique, these rock-shaped crayons are ideal for small hands. They are naturally colored with mineral pigments and are made with natural waxes including kosher soy wax. The creamy, smooth colors are great for blending and shading. This 9-color set includes black, brown, green, blue, purple, red, orange, pink and yellow crayons.Free of chemical dyes and other additives. Recommended for ages 3 and up.