Tyrannosaurus RexTyrannosaurus Rex Assemble me. Bring a fearsome ancient apex predator to life! Ugears launches its dinosaur automaton collection with the most fearsome predator to ever walk the earth: the Tyrannosaurus Rex. Up to 13 meters in length and 9 metric tonnes in weight, tyrannosaurs had the largest teeth of any carnivorous dinosaur, capable of tearing flesh and crunching bone. They also had highly developed senses of smell, on par with vultures, and