Can compressed air power a Lego car. In this experiment, we build and test an air-turbine system that drives a Lego vehicle ...

Bringing engineering and creativity together, this LEGO RC car features a fully functional 4-speed manual gearbox. Designed for smooth shifting and enhanced control, this build takes LEGO mechanics to ...

If you're looking for an RC car rather than a Lego set, though ... neither is what we'd call fast, which is handy given the naturally limited range of their Bluetooth controllers.