Rechenkünstler, which translates from German as “arithmetic artist”, is a 14 piece wooden logic puzzle in which you must arrange the numbers so that you have a corrrect equation in every row. A wonderful challenge that will have you seeing if it all adds up!
Made in laser-cut acrylic and stainless steel 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.