Back in 2015, Lego builder Tomáš Kašpařík created this humongous 12 feet (365cm) high Lego Ferris Wheel for a LEGO festival in Prague. The man used over 40,000 parts, including 2 LEGO Power Functions motors, to create the Wheel, and took around 300 hours of time to build it.
[Via The Brothers Brick | Laughing Squid]