A fun game that develops logical thinking and patience from an early age. The game is suitable for all little explorers who love challenges and like to learn new things. The task is to fill in the empty squares in a 4×4 grid so that, just like in classic sudoku (with numbers), no pictures are repeated in a row, column or individual squares. Warning: not suitable for children under 3 years. Contains small parts. Choking hazard. The package contains 16 printed tiles, 25 double-sided cards and solutions.