The Fierce Changers Chase 'n Roar T. rex toy offers a dinosaur-to-vehicle modification with sound, with 28 steps, a roaring Tyrannosaurus rex changes into a rumbling vehicle inspired by the movies' off-road vehicles. Going from carnivore to car and back again, this is the largest, most complex, and dramatic of the Fierce Changers line. A great transforming toy for 8-year-olds and up. Colors and decorations may vary.