Set of 3" foam stamps. The large knob handle is perfect for a child's grasp and the high density foam is easy to clean. There is a label on the clear surface that makes alignment easy, and the set comes in a plastic case that is reusable. The stamps work great with our paint or ink pads. Dinosaur stamps (set of 6) includes a dimetrodon, brontosaurus, triceratops, stegosaurus, pterodactyl and dinosaur foot print.