Hot Wheels iD is a unique system of play that blends the exhilaration of Hot Wheels racing with a safe, connected platform of creativity, experimentation and competition. Download the free app to wirelessly measure speed and count laps with two exclusive Hot Wheels id vehicles and the Hot Wheels Race Portal. The supercars are digitally enhanced with an embedded NFC chip that give each one a unique identity. Download the free app, charge the race portal and connect to smart device and launch the app! Colors and decorations may vary. Features Hot Wheels id takes vehicle play to a new level of pulse pounding excitement, offering a first-of-its kind mixed play experience. Track speed and count laps with your classic Hot Wheels track. With every milestone conquered, kids' racing prowess is boosted. Play mini games and track speeds and laps of up to 6 cars at a time using the Hot Wheel Race Portal. Connect safely and play endlessly with two exclusive Hot Wheels id vehicles; Twin Mill and GT Hunter included. Unlocks Hot Wheels iD on both smartphones and tablets (not included).