The Hot Wheels AI Smart Cars Intelligent Race System is an exciting toy set that includes 2 cars and 20 pieces of track. These cars are part of the Smart series, designed to race around a 1:43 scale track system. With an AI feature, these cars can interact and race against each other, providing endless entertainment for children. The colorful plastic vehicles are part of the 2016 model year collection and are sure to bring hours of fun to any young car enthusiast.