Crayola Washable Sidewalk Chalk brings vibrant color to kids' outdoor art and chalk games. Featuring a set of 24 classic Crayola colors, this chalk is ideal for drawing thin lines and broad strokes on sidewalks and driveways. Crayola Washable Sidewalk Chalk washes away with water, so cleaning up is easy. And with its special anti-roll shape, the chalk won't roll away as kids work on their outdoor creations. For children ages four and up, this Crayola chalk set will provide hours of imaginative play.