OT: Amazing Lego Contraption

[tuxbailey]

Some people just have too much free time. But I reckon that is more fun watching this than a train set. And a lot of engineering skills are needed.

http://www.youtube.com/watch?v=sUtS52lqL5w

[MadRocketSci]

impressive! if this person doesn't work in manufacturing engineering then they're in the wrong job...how many mindstorm kits does this take??

however, it is not practical unless an anvil is dropped on a mouse.