3+. 100x more fun than sidewalk chalk! Just add water. Create big art! Washes away with water. Includes: 4 paint markers with 1.32 oz (37.5 g) of chalk powder each. Pain conforms to ASTM D4236. Each chalk powder bag makes 4 fl oz (118 ml) of paint. Conforms to the safety requirements of ASTM F963. Consumer Services: 1-800-Crayons (US & Canada). Colors and decorations may vary. Non-Toxic Before use, test a small area and let dry completely. service.mattel.com. For more creative activities & online fun visit RoseArt.com. Made in China.