A round yellow track made from LEGO’s circular gear rack, also referred to as four ‘banana’ gears, spins as a bicycle rider rides inside of it. This cycling creation was built by Japanese pro LEGO builder Yoshihito Isogawa, a prolific LEGO YouTuber and author of a resourceful collection of LEGO building idea books that teach how to invent with Technic, power functions, Mindstorms EV3, and more.

His video immediately inspired LEGO enthusiasts around the globe to create and share their own versions on Facebook and YouTube, including this variation by LEGO enthusiast Huon:

Follow more of Isogawa’s inventive builds on YouTube.

And watch more LEGO videos on this site, including: JK Brickworks’ LEGO Drawing Machine, Rainbow Wave LEGO Great Ball Contraption, and this pop-up Himeji Castle made with LEGO.

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