Art student’s 407-piece hand-carved wooden clock (2016)
That is some next-level stuff.How could he possibly do it? There's a guy over on YouTube that is making a marble music machine:
https://www.youtube.com/user/wintergatan2000
He is very dedicated, is quite smart, but he has being trying to build one for years, and has been a never-ending mechanical engineering challenge.Put into that perspective, the clock is no less than a work of pure genius.