Mix or Match Dinosaurs is a product for creative development. Each set comes with a Triceratops, T-rex, Parasaurolophus, and Stegosaurus that can be mixed and matched into many different combinations that a child can imagine. Just put them together and take apart again and again! Our hidden magnetic locking system makes assembly a snap! Includes Tyrannosaurus Rex, Stegosaurus, Triceratops, and Parasaurolophus. For ages 2 and up.