Experience the epic origins of legendary Transformers robots with this Transformers One Prime Changer Optimus Prime/Orion Pax action figure! This 5-inch Optimus Prime/Orion Pax figure converts from robot to Cybertronian truck mode in 20 steps. It comes with a Matrix of Leadership accessory and a battle axe. The figure is inspired by the iconic character from the Transformers movie, Transformers: One. Movie-inspired interactive toys like this Optimus Prime/Orion Pax toy make cool gifts for boys and girls ages 6 and up. Transformers One is the untold origin story of Optimus Prime and Megatron, once friends bonded like brothers, who changed the fate of Cybertron forever. Paramount Pictures Corporation.