Brighten up your prehistoric playtime with these colorful crayons! Includes the Tyrannosaurus Rex, the Stegosaurus, the Brontosaurus and the Pterodactyl in addition to 8 more dinosaur types for a total of 12 different dinosaurs in 6 bright colors. (3 dozen crayons per unit) Safe and non-toxic. Approx. 1 3/4" - 2 1/4" Conforms to ASTM D-4236. Recommended for ages 3+.