Put some spark in your ride! With a twist of the throttle, eSpark rolls into action, quickly and quietly with a high-torque, chain-drive motor. And once you get going, the real fun begins--step on the Spark Bar and watch the sparks fly. Designed for ages 8 and up, eSpark is crafted from Razor's latest high-quality materials. It reaches speeds of 10 mph and features a replaceable spark cartridge.