This Puzzle Box Will Twist Your Mind!!
7:58
Unraveling the Secrets of the Hour Glass Puzzle!
31:32
Possibly The Greatest Puzzle Box Ever Created
19:00
Creating a LEGO-compatible brick that doesn't exist
18:38
This Puzzle Box Contains an Ingenious Mechanism!! - The Portal Box
6:44
This Trick Box is locked by an Ingenious Clever Mechanism
10:10
Black Box with a Secret - The VISAYAS Puzzle - Solved!!
17:15
These Japanese Puzzles Are Incredible
10:05