Hot Wheels' Track Builder lineup is all about customization ... are shot straight up to the top over a vertical jump to start ...

Fittingly, the track was inaugurated with a Ford Mustang Hot Wheels car taking the first run. To support such a massive size, the Hot Wheels track fits into a plywood structure that's bolted together.

In a way, I think Hot Wheels collectors exercise it quite often ... even more exciting move when using a similar machine in the Track Fleet series. If that name doesn't ring a bell, think of ...