| Undurchschaubar Undurchschaubar. This is a 6 layered maze puzzle. Try to move the ball from the 'a' to the infinity symbol. Quite a tricky puzzle Made in laser-cut wood by Siebenstein-Spiele. Based in Munster, Germany, Siebenstein-Spiele was founded in 1992. Although the company is mainly known for board games, Siebenstein-Spiele also makes many wooden puzzles, several of which have been designed by company founder Jürgen- Undurchschaubar. |
