The future of racing is here! Hot Wheels AI uses computer enhanced Artificial Intelligence to put you in total control of the racing action! Use the Door Slammer™ body shell and wheel covers to transform your vehicle into a different race car and enter a whole new racing world! The Door Slammer™ is a fender banging stock car that will stop at nothing to overtake the competition and speed to victory. Includes one Smart Car body and 4 wheel covers. Smart car chassis and game controller sold separately. Not for use with some Hot Wheels® sets. Colors and decorations may vary. Ages 8 and over.