4+. Stays soft! Play again & again! Nontoxic. Creative play with Soft, Reusable Modeling Clay: Shape, build, sculpt or smash, Crayola Modeling Clay is great for creating art or just playing with color. And because the clay always stays soft, you can enjoy the hands-on, tactile color play again and again! Crayola a Hallmark Company. Safety Information: ACMI AP: Art & Creative Materials Institute certified. Conforms to ASTM D 4236. All Crayola art materials are nontoxic. Yellow. Red. Green. Blue. Contents and colors may vary. Keep packaging for future reference. CE Listed. Question/Comments: Call 1-800-Crayola (800-272-9652), 9 am - 4 pm ET. crayola.com. Made in Thailand.