9 X 9 Intelligence Toy Wooden Sudoku

1. and high quality.

2. 9 PCS number 1-9 pieces and one question.

3. Stimulates children's cognition on logic and number.

4. A nice way to enhance kids' hand-eye coordination.

5. A nice gift to your friends and families.

6. Not suitable for kids under 3-year-old.

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