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 the next level. Watch as the gears engage ...

The drivetrain is 3D-printed too, using plastic gears and universal-joint axles ... we’ve seen a homebrew RC car designed to that end as well. Video after the break.

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As the regular readers know, I credit where I am today to an early interest in RC cars. I was born a car enthusiast. But building, fixing, and driving radio controlled cars got me into the nitty ...