Mattel and Fisher-Price Customer Service

It's the ultimate in performance-related vehicle customization! Kids can customize these vehicles from the ground up, then race them head-to-head on a track for up to three minutes on a single 30-second charge! Kids can modify the tires, engines, chassis, gears, suspension and more for optimal performance. A kid can keep adding to his collection of Kit Racing parts for ultimate performance in a variety of different competitions. All parts are interchangeable, so the more a kid collects, the more he can customize his car. Each car in the assortment comes with a charger and six distinct car styles. For more customization, there are several accessory packs available (sold separately). Each pack includes a set of tires, more powerful batteries, chassis and new axle configurations.