Oil pastels and street chalk encourage creativity. On Time Supplies offers discount bulk pricing on a oil pastels and street chalk sets from the top discount office supply brands. Thanks to same day shipping, you can rely on us to deliver your oil pastels and -street chalk in just a day or two. Questions about the oil pastels and street chalk sets for sale at On Time Supplies? Call us toll-free at 1-866-501-6055. Our friendly customer service representatives are happy to answer any supply questions.