R Exclusive, only available at Toys R Us Canada. When did the dinosaurs live? Build your own dinosaur chronology and explore a bygone era. With creatures from the Jurassic and the Triassic, to those from the cretaceous period, build your own timeline to see how the dinosaurs got along with each other. Includes: Pteranodon, allosaurus, therizinosaurus, brachiosaurus, styracosaurus, velociraptor.