15 cm diameter x 1.4 cm thick / 5.9 in diameter x 0.5 in thick
The goal of this attractive puzzle is to shift all 25 round tokens in such a way that there aren't 2 tiles of the same color in any perpendicular, horizontal or diagonal line. Then shift all tiles back to the start. Your movements are limited by channels that are cut into the acrylic top both vertically and horizontally. A difficult puzzle that will challenge your logic!
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.