The Surprisingly Difficult Jigsaw Puzzles of Yuu Asaka
23:48
Solving The HARDEST Dovetail Puzzles in The World!! (Almost gave up)
24:37
These Puzzles are MASTERPIECES!
26:51
New divisibility rule! (30,000 of them)
21:12
The Hardest 16 Piece Puzzle ever made (Jigsaw 16 by Yuu Asaka)
55:13
Is this actually the worst puzzle ever?
34:54
Can Adam Savage Build a Hexastix? (Ft. @standupmaths )
10:45
How difficult is Yuu Asaka's new Pond 12 puzzle?
29:08