I learn to think logically ... Challenging game based on the principle of the well-known Sudoku puzzles. The rows and columns may have each item used only once. Children engage analytical thinking and concentration. Content: 3 assignment cards with 6 assignments, 24 large animal cards, 60 small animal cards, instruction manual. Material: plywood (FSC) Measurements: assignment card: 22 x 22 cm, large animal card: 4 x 4 cm, small animal card: 3 x 3 cm Age restriction: 3 years