Steampunk Maze Box

Hello! This is my fourth puzzle box, I hope you like it J   It is really EASY to print and assemble, and you only need a rubber band. This is a maze box, you have to reach the end to open the box. Because resolve a usual maze is very easy (you only have to follow the path), I designed it to be more difficult. First of all you can not see a clear path to the end, and also you not always see where is the ball bearing. And finally, the four gears opens or closes paths.   The ball bearing is 6m