Most people use Bring a Trailer to shop for cars, but you can also use the platform to buy boats, parts—or one of the most insane slot car race tracks you’ll ever see. The Detroit-based Slot Mods is ...

We've all raced a slot car, right? You pick out your car and carefully line it up with a thin groove running along the center of a track. With the remote in hand, you watch it zip around and around ...