Safari Ltd. Tyrannosaurus Rex Toy Nordstrom Paleo Nerd: Tyrannosaurus rex by Safari ltd, Carnegie Collection 2014 Safari Ltd Tyrannosaurus Rex with Augmented Reality Animal Kingdoms Safari Ltd Tyrannosaurus Rex with Augmented Reality Animal Kingdoms. Tyrannosaurus Rex was a very large theropod dinosaur that lived in what is now western North America in the Late Cretaceous Period (68 66 million years ago). It became extinct with the last of the dinosaurs at the end of the Cretaceous Period. Scientific name: Tyrannosaurus rex meaning tyrant lizard and king Characteristics: Tyrannosaurus, at least 40 feet long, and 5 6 metric tons in weight, was top of the food chain in the Late Cretaceous. Its huge jaws contained lots of dagger like, six inch teeth that it used to slice apart prey. Size and coloor: This model is 30. 35cm long by 13. 84cm high. Like many living lizards, its upper parts are in dark, neutral earth tones with slightly lighter underparts. Age range: 3yrs+