Hot Wheels Ai Car and Controller Street Shaker Car & Controller The Ai Street Shaker Smart car and gaming controller expand the race and add more players to your set The Ai Starter Set (sold separately) lets racers follow smart track or race independently with Ai mode and off-track with RC mode Hot Wheels innovation delivers the ultimate racing set with enhanced Artificial Intelligence smart cars that help you stay on track! The Street Shaker Car & Controller includes 1 Smart car and 1 gaming controller Compatible with the Hot Wheels Ai Starter Kit (sold separately)