Hot Wheels id is a distinct system of play that blends the exhilaration of Hot Wheels car racing sets with a connected platform of competition and experimentation. These awesome racing cars are digitally enhanced with an embedded NFC chip that give each one a distinct identity. Includes Hot Wheels Race Portal, two exclusive die-cast toy cars and lap counters. Download the free app to wirelessly measure speed and count laps. Charge the race portal and connect to a smart device to launch the app. Build a fabulous race track set with exclusive hot wheels toy cars.