Energon, the lifeblood of Transformers robots, powers the epic action on Earth and beyond. Consider using Energon Igniters figurines to harness the Transformers' energy supply. In only six steps, you can switch between robot and truck modes with this Energon Igniters Speed Series Optimus Prime figure. Then, insert the Energon Igniters core (not included) into the car and press down to start the engine. This Optimus Prime figurine is 3-inches tall and has eye-catching details. Look for the Energon Igniters core, which is supplied with Power Plus and Nitro Series figures (sold separately). As he speeds along the highway, Optimus Prime cranks his motor. When the Decepticons strike, the famous Autobot commander leaps into action to save the human species.