The 24 count Washable Sidewalk Chalk in bright bold and exclusive Crayola crayon colors allows children to easily design custom artwork on sidewalks driveways and other outdoor surfaces. It features an anti-roll shape to keep sticks handy without rolling away. Create fine lines or broad strokes that simply wash away with water. Each chalk stick measures 4-1/8 L x 3/4 W inches and is certified nontoxic. Go to Crayola dotcom site for Create-it-Yourself sidewalk chalk project ideas and inspiration.