Create big outdoor art with the only sidewalk chalk in bright, bold Crayola crayon colors. The Anti-Roll shape keeps sticks handy without rolling away. Children can keep their chalk close at hand as they draw fine lines or broad strokes. Marks simply wash away clean from sidewalk and driveway using only water.Create big outdoor art with the only sidewalk chalk in bright, bold Crayola crayon colors. The Anti-Roll shape keeps sticks handy without rolling away. Children can keep their chalk close at hand as they draw fine lines or broad strokes. Marks simply wash away clean from sidewalk and driveway using only water.