Transformers Age of the Primes The Thirteen Star Optimus Prime figure 38cmSize: 38cm. This Transformers figure converts from robot to truck in 30 steps, and from truck to battle station in 36 steps. Includes Micromaster Autobot Hot Rod figure, MT 13 micro trailer into which you can place the Hot Rod figure in vehicle mode and a rolling unit. Contains: Cannon, shoulder cannons, ammo clip, rotating turret that converts into a cannon, zodiacal sphere and combat effects.