Scalextric Digital Law Enforcer Race Set, 1:32-Scale The track includes an side swipe track, hairpin turn and two straight lane change tracks for over 21 feet of pursuit track action The Audi R8 features flashing lights and siren, the Dodge Challenger and Chevrolet Corvette feature working lights at the front and rear The set comes with a 4 car digital base but can be upgraded to 6 cars with a C7042 Advanced Digital Base