Carrera GO!!! 63506 Champions Battery Operated 1:43 Scale Slot Car Racing Toy Track Set Featuring 2 F1 Style Race Cars for Kids Ages 5 Years and UpFast paced car racing action on 14. 10 ft of track with realistic cars that reach scale speeds of 370 mph Carrera battery technology gives you the same speed and power as electric sets to provide thrilling racing action in every race Two player racing that family and friends both young and old will enjoy Compatible with all Carrera GO!!! cars and accessories allowing you to customize and expand up to 32. 8 ft. Complete slot car racing system includes