Get inside the most ferocious dinosaur of "em all: the diabolical T. Rex. Featuring five squishy innards-including its guts and heart--this anatomically correct model of the King of the Dinos will amaze and enlighten any dino-loving kid. Plus, follow a T. Rex as it chases, captures, eats-and-digests-its prey, with the included book, The Mighty T. Rex