The track parameter is 9.3 feet for the beginner level. Each set comes with 1 set of track set, 2 pieces of the Hot Wheels vehicles with working headlights and 2 pieces of the wired controllers with turbo booster. The Hot Wheels Battery Operated Slot Track Set - 9.3 feet Features: Get ready to go full throttle with Hot Wheels! Toys R Us has a huge selection of die cast cars, R/C, race tracks, play sets and accessories to build your ultimate speedway, organize your vehicles, or add to your collection.