Filters
Cube in Cube - Jean Claude Constantin
Rainbow Box  - Jules Constantin
20 Cent Box - Jean Claude Constantin
Iron Box - Jules Constantin
Oval Office - Jean Claude Constantin
Lock and Ring - Jean Claude Constantin
Pilled Logs - Jean Claude Constantin
Labyrinth Box - Jean Claude Constantin
Schlüssel Big - Jean Claude Constantin
Void Lock Puzzle - Jean Claude Constantin
Trick Screw 1 - Jean Claude Constantin
Saturn - unknown
Bracket Holes - Hajime Katsumoto
Hund & Katz - Jean Claude Constantin
The 22nd labour of Hercules - Jean Claude Constantin
Kugellager - Jean Claude Constantin
3L - Jean Claude Constantin
4 lefanz - Stewart Coffin