Crayola® 24 Pc. Washable Crayons. Easy to use and less mess! Crayola® Washable crayons have been specially formulated for smooth, easy laydown. Crayola® Washable crayons wash off most surfaces (walls, tabletops, etc.) with just a damp sponge and water and off most washable clothing with just warm water. New and improved formula provides smooth laydown, bright colors and washability. Includes 24 assorted colors.