Made of wood, metal and acrylic, this intriguing puzzle requires you to free the ring. There are several balls trapped inside the bottom layer of the puzzle which can be viewed through the transparent acrylic layer and hint at a more difficult solution than it may first appear.
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 Reiche.
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