The Steuerrad puzzle box was designed byJean Claude Constantin and made in Nuremburg, Germany using laser cut wood and attractive anodised aluminium pieces.The aim is the allow the wheel in the centre to move freely. Once you've solved the puzzle, you'll be able to open the box. Sounds simple, but it really is not. This one is a real challenge.
Constantin is a prolific puzzle designer known worldwide, this is just one puzzle from his extensive range.