Sure to rev up young imaginations, this set let kids create the ultimate racing vehicles. Using the color-coded instructions, kids can build a remote control racer or build their very own supercharger, or combine with other M•Gears® sets for unlimited racing models! Includes everything needed for the speedway: M•Gears® driver, pylon cones, flag with stickers, infrared motor base (requires 4 AA batteries, not included) and hand control (requires 4 AA batteries, not included).