It seems impossible to remove the ring from this cube at first glance. Imagine the satisfaction when you actually do the impossible! Try Hanayama Cast Box Puzzle!
4 AMAZING Marble runs with a different mechanism and awesome and challenging assembling process by ROKR. Find out which one is the best!
The BEST Karakuri box I have encountered so far. Everything here is amazing. Dive in the mysterious Ripple Out Karakuri Puzzle Box!