hot wheels action triple loop kit hmx37 en gbTrack builds are three times cooler with Hot Wheels Action Triple Loop Kit. Kids hit the slam launcher to send the included Hot Wheels car through three graduated loops. Pieces can also be used in nearly endless combinations and can connect to other Hot Wheels sets (sold separately). It also folds for easy storage and portability. The Triple Loop Kit makes an awesome gift for kids 6 12 years old. Colors and decorations may vary.