4+. Nontoxic. CE listed. Contents and colors may vary. Please retain packaging for future reference. Quality Guarantee: We guarantee the quality of all Crayola products. If this product does not perform properly, please contact us. In the USA and Canada, call 1-800-Crayola (800-272-9652), weekdays 9 AM-4 PM ET. crayola.com. Safety Information: Conforms to ASTM D 4236. All Crayola art materials are nontoxic. ACMI AP: Art & Creative Materials Institute certified. All Crayola art materials are nontoxic. Crayola: a Hallmark Company. Made in USA.