If your memory of slot cars ... toy is of lightweight controllers with wire-wound rheostats inside, then you’re many years behind the state of the art when it comes to competitive slot car racing.

WISHKEY Remote Control Super High Speed Racing Car with Stylish Looks & Modern Design,RC Vehicle Toy for Kids Age 4+ Years Black-Blue, (Pack of 1) This car from Galaxy Hi-Tech comes with a 2-in-1 ...