Erasable Plastic Erasable Crayon Set is non-toxic, break-resistant and wont crumble or flake. Plastic crayon of 4 3/4 in. long with a no-roll hexagonal shape can be sharpened with a hand-held pencil sharpener. Crayons in a variety of rich, brilliant colors lay down smooth, even color that wont smear or come off on hands. It includes eraser and sharpener and is 24 color per set.