Cube Bouchon is a stop&go puzzle. Opposite pair of faces are connected by gears, such that sometimes one face is blocked, sometimes the other, and sometimes they gear together. The gearing ratios are 2:0, 1-1, 0-2, and 1-1.
The inner mechanism is demonstrated here
Watch the YouTube video
Read at the Shapeways Forum
Read more at the Twisty Puzzles Forum
Please contact Oskar
directly if you are interested in obtaining a fully colored, stickered and assembled sample of this puzzle.