Cartoon style Dinosaurs The cartoon shapes are designed based on the characteristics of T-Rex, Spinosaurus, Triceratops and Euoplocephalus. Friction powered With momentum motors inside, the dinosaurs run by the power of friction, pretty fast and smooth. Babies will be attracted by the running dinosaurs and crawl to chase them. Cute movement Dinosaurs will move the mouth in a cute way when you push them along. No need for batteries Sturdy & Durable