ESRB Rating: E - Everyone Genre: Racing Features: Wii Wheel: Transform your Wii Remote in to a steering wheel that feels natural in anyone's hands. Worldwide Racing: Play with up to three friends locally or challenge up to 11 friends via Nintendo Wi-Fi Connection in the biggest Mario Kart race yet! All tracks and modes of play are available for online races. Mario Kart Channel: Visit the Mario Kart Channel on your Wii Menu to check regional and worldwide stats, friend rankings, download ghost data, participate in worldwide Time Trial events, and more! New Wheels and Courses: cruise brand-new tracks and arenas, or enjoy a blast from the past going fender-to-fender on one of the classics. Tired of riding on four wheels? Bust out one of the all-new motorbikes for special tricks and techniques.