Sudoku puzzle books for kids with 4×4, 6×6 and 9×9 grids, plus maze books in three difficulty levels. They train concentration and logical thinking.
- Sudoku 4×4, intro level: 176 puzzles
- Sudoku 6×6, basic level: 176 puzzles
- Sudoku 9×9, beginner and advanced levels: 88 puzzles each
- Set of 4 sudoku books: 528 puzzles
- Mazes: beginner, intermediate and advanced, single or as a set of 3 books
- Material: paper













Brand:
Tianyang
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