This set features 20 non-slip, thick, dinosaur-themed rubber mats. The mats feature illustrations of a triceratops, pterodactyl, stegosaurus and tyrannosaurus rex. The set also comes with 4 smaller footprint mats for each of the 4 dinosaurs. Arrange these mats in playrooms, classrooms, daycare centers and more. Move, sort and match these mats during imaginative play. Or, incorporate them into lessons about dinosaurs and story time. Develop gross motor skills as children build obstacle courses and practice balance. Lay out a trail of footprints and have children find the matching dinosaur! Each mat is labeled with the type of dinosaur to aid in learning. Made from durable rubber and micro suede, these mats are designed to last for years of use. For ages 12m+. Sizes: 33.25"L (tyrannosaurus rex) - 5.8"L (pterodactyl footprint).