Dino Rider costume kids Child Dinosaur Ride-On Costume Triceratops halloween. Size 18 months +. This costume looks like you are riding the dinosaur. You put your feet in it and there are straps that go over your shoulders. Very cute costume! It does have a small stain on the belly (see picture). If you have any questions, please message me. Feedback is appreciated! Thanks for looking! Shipped USPS Ground Advantage.