Check Out a Trailer for That Self-Transforming Optimus Prime Figure’s Trailer

Less than a year ago, Transformers fans’ mouths stood agape when Hasbro and Robosen Robotics revealed an absolutely amazing, fully programmable, 19-inch tall Optimus Prime figure that could transform from his robot form into his truck mode (and vice versa) with the touch of a button. But what’s Optimus Prime without that big-arse trailer he hauls behind him?Hasbro and Robosen have teamed up again to give Optimus his trailer, which technically makes it an accessory, but in name only.