Optimus Prime is the fearless leader of the Autobots, a group of refugee cyber warriors that left their home world of Cybertron. Optimus Prime and the Autobots came to Earth and protect mankind against the threat of the Deceptacons. This 1:24 die-cast Optimum Prime trailer, is the Studio Series collection and is based on the classic Optimus Prime design. The truck is free wheeling and has opening doors. The trailer is packed with great detail and is a replica of Optimum Prime in his truck form.