This video teaches you how to build a retro flip-walker toy out of LEGO
by Emma Roth from The Verge - All Posts on (#5Y90N)
Image: JK Brickworks via YouTube This LEGO flip-walking vehicle looks like it has a mind of its own, but it's really just powered by gravity and a tiny motor. Custom LEGO builder JK Brickworks walks us through the build in a video on YouTube, which was actually inspired by the old-school Bear Mobill toy made by Bandai in 1987. It looks like the original toy is supposed to be some kind of sci-fi military vehicle, but JK Brickworks gives it a flashy new look.
The hypnotic flipping motion is triggered by a forward-moving trolley in the center. It weighs down the machine just enough at the end of its track, causing the build to flip over on two legs, resetting the entire process. As shown in JK Brickworks' video, the toy's unique flipping motion lets it climb up small steps...