Nontoxic chalk. Create a splash of color on your sidewalk and driveway with Crayola Sidewalk Chalk. Draw, big colorful art outside in a variety of colors or use in our fun Crayola Outdoor Chalk Tools. Contents and colors may vary. Safety Information: Conforms to ASTM D 4236. All Crayola art materials are nontoxic. CE listed. Made in China.