The lifeblood of Transformers robots, Energon fuels the epic action on Earth and beyond. Now, imagine harnessing the Transformers energy source with Energon Igniters figures. Convert this Energon Igniters Speed Series Optimus Prime figure between robot and truck modes in 6 steps. Then plug the Energon Igniters core (not included) into the vehicle and push down to unleash driving action. This Optimus Prime figure stands at a 3-inch scale with eye-catching detailing. Look for the Energon Igniters core sold with Power Plus Series and Nitro Series figures (sold separately). Optimus Prime revs his engine as he roars down the highway. When Decepticons attack, the legendary Autobot leader is quick to propel into action to protect the human race.