Crayola® Sidewalk Chalk. Crayola® Sidewalk Chalk features 20 pieces of chalk in a variety of different colors shaped like crayons! The large sticks of color are great for sidewalk play and come in a convenient, recyclable storage carton. With these chalks, your children can design custom artwork on sidewalks, driveways, cardboard boxes or paper bags. Create unique designs on your sidewalk or draw messages to welcome family and friends! This product is recommended for ages 4 and up.