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 the Energon Igniters Nitro Series figures in easy steps. Then plug the Energon Igniters core included in pack into the vehicle and push down to unleash driving action. This Optimus Prime figure stands at a 7-inch scale with eye-catching detailing. The Energon Igniters core unleashes the power in all Energon Igniters figures (each sold separately). Please Note: This is an assorted item, 1 Included. Chosen at Random. Styles May Vary.