How cool! You’ll never look at sidewalk chalk the same again after getting your hands on this collection of Stripe & Polka Dot Sidewalk Chalk. Complete with handy plastic bucket, this set of chalk includes 20 thick pieces of chalk in bright and bold colors. Kids will love to add these to their art supplies to see what they can create outside! Try getting your whole classroom art class to collaborate and create one big art project on the playground for an unforgettable activity. Safe and non-toxic. Bucket, 12.7cm x 10.2cm with a 9.53cm handle; chalk, 2.54cm x 10.2cm . Conforms to ASTM D-4236.