This dinosaur lived approximately 66 million years ago and its largest tooth found was estimated to be 12 inches long which helped this vicious dinosaur eat his meat. Tyrannosaurus Rex is a huge and ferocious dinosaur weighing up to 7 tons and ate meat. Tyrannosaurus, in Greek, meaning "King" and this Dinosaur lives up to its name. Color this picture of Tyrannosaurus Rex coloring page with your favorite prehistoric colors. You can choose many nice coloring pages from the DINOSAUR coloring pages for kids. Discover more interesting Dinosaur facts and activities from the Hellokids.com Dinosaur channel.