Who will be brave and cool-headed enough to complete all 40 challenges? Based on the principle of Sudoku, players need to place the 16 wooden tokens on the grids according to the instructions given.

To play alone or cooperatively with others.
4increasing levels of difficulty.
Develops patience and logic.
Solutions to the challenges are provided.
Paper and cardboard from sustainably managed forests.

Contains – 40 challenge cards and 16 wooden tokens. Game rules in 10 languages with solutions at the end of the booklet.

Recommended age – 8 years plus.