Never heard of it before, but if you come across one, you've got a treasure... the Dodge Scat City Drag Race and Slot Car Road Race toy set from 1968

And there was even a Mustang vs Charger game... am I the only one thinking it was related to Bullitt?

the drag race Scat City images from http://deadlycurves.blogspot.com/2014/07/the-1970-dodge-race-game-scat-city.html

here is the Plymouth version