Away from pictorial figures, in the spirit of the Bauhaus, he focuses on the function of the elements: “The new game pieces are formed from the basic stereometric shapes: cube and ball. Individually or combined, they indicate the pace through their shape and the value through their volume.”

Kurt Naef tried very early on to get the rights, his goal: to produce original Bauhaus designs in series. The quality of execution and reputation of the Swiss turns the design classic into a chess set suitable for everyday use and with collector value.