Some even build their own model cars from scratch using their own mechanisms, parts and materials. Slot car racing has become increasingly popular and has advanced over the years, and serious competitions now exist.
If not then allow me to explain: Slot car racing is a competitive hobby of racing model cars around a track, the cars are guided around this track by a groove in which the cars slot into. Ever played Scaletrix? If so then you pretty much know what Slot car racing is.
