They are colored and make beautifully textured artwork similar to oil pastels. They are designed to strengthen the grip muscles in children, preparing fingers and hands for handwriting. In 32 colors: red, green, blue, egg yolk yellow, black, brown, orange, purple, pink, grass green, sky blue, sunshine yellow, gray, tan, peach, white, strawberry cream, honey wheat, coral, pumpkin spice, coffee, tree bark, cranberry, rose red, magenta, periwinkle, turquoise, aqua, spruce, autumn green, navy.