Auto World / Premium Hobbies T/A Challenge HO Scale Slot Car Race Set CP7973. INCLUDES: 1 Complete HO Scale Race Set With 2 Cars, Track, Controllers, & Power Supply. CARS: Thunderjet Ultra G 1968 Camaro & 1970 Mustang. TRACK: 14′ Of Running Track. ACCESSORIES: Guard Rails, Spectator Bridge, Grandstand, Start / Finish Gate, Track Cleaning Pad & Stickers. FULLY COMPATIBLE TRACK: Works With All Auto World & AFX Track.