Transformers Legacy Evolution celebrates the last 40 years of Transformers history. The Optimus Prime and Bumblebee action figures are inspired by The Transformers G1 animated series. Transformers Optimus Prime figure converts from robot to truck mode in 11 steps. Transformers Bumblebee figure converts from robot to compact car mode in 11 steps. This G1-inspired multipack comes with the iconic trailer of Optimus Prime, complete with a flip-down ramp. Trailer opens up into a battle station. Bumblebee figure fits inside the trailer.