This little puzzle was pretty fun to make and allowed me to use up some of the magnets from my last project. The goal of the puzzle is to remove the center piece from the tube. You will quickly notice that there isn’t much to the puzzle – no buttons, latches or any other obvious locking mechanism.
Build Instructions: https://www.instructables.com/id/Tube-Puzzle/
How it Works / Solution: https://youtu.be/N4ID3-wBdik