The carnivorous Tyrannosaurus rex had a 4-foot long head that was powerfully built with dense bone structure designed to withstand impact. Pull the trigger on our jaw snapping T-rex, the neck lunges forward, the jaw clamps shut and teeth snap to imitate the ferocious biting action of a real T-rex. Dimensions 14" x 6.5". Made of PVC. Ages 4 and up.