Keep Vertical is a ball maze that is supposed to be solved without using dexterity. The maze is kept vertical and rotate in steps of 90 degrees clockwise or counter/anti clockwise. The ball falls all the way through up to a wall where it gets stopped. This rotation and falling process is to be repeated until the ball ends up in the center.
Watch the
YouTube video.
Read at the
Shapeways Forum.
Read more at the
Non-Twisty Puzzles Forum.
Please order a 3D-printed do-it-yourself puzzle kit from Shapeways at this page (check with Oskar about screws and stickers), or
contact Oskar directly if you are interested in obtaining a fully colored, stickered and assembled sample of this puzzle.