Chalk A Doo 40 piece Outdoor Sidewalk Chalk Set including 8 Jumbo Chalk Holders 16 Jumbo Chalk Sticks 4 Mini Chalk Holders and 12 Mini Chalk Sticks by Wevell Ages 5 years and up clean and convenient way for kids to chalk concrete Compatible with most circle and square-shaped jumbo sidewalk chalk Refillable and easy to handle Includes 8 jumbo chalk holders, 16 jumbo chalk sticks, 4 mini chalk holders and 12 mini chalk sticks