The Carrera Evolution DTM Ready to Roar electric slot car set features 1:32 scale cars racing on a 1:24 scale analog track. The slot car track sets the stage for a speedy showdown between a BMW M4 DTM and Audi RS 5 DTM. With these two popular cars, you as the driver holds the key to who gets the checkered flag in this thrilling head-to-head race! Race on a course that stretches over 20-ft. and features a crossover, curves, and a straightaway to provide exciting action all over the track.