Crayola Children's Chalk sticks is perfect for writing and drawing on blackboards. 

• A Chalkboard Classic: Kids will love learning to write and draw on a blackboard with tried-and-true Crayola Chalk. The classic white chalk pops on black or green chalkboards and erases quickly and easily.
• Easy-Glide Texture: These chalk sticks have a smooth texture that glides beautifully over blackboard surfaces.