Doublesided Circular Maze

A simple ball-maze doesn't meet the requirement of a real puzzle as the eye can simply follow the path and the actual challenge is the plain motoric difficulty. Not so this concept of a double sided maze. The ball has to change the sides two times.

Wackellabyrinth-Seite Wackellabyrinth Wackellabyrinth-Loesung

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I used a 3 mm steel ball from bike wheel hub.