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Product Size: 10inch*9.4inch
120 levels of challenge classic sudoku game
Double-sided number chess, black and red
How to play: First place the red numbers according to the instructions, then place the black numbers according to the reasoning, and then compare the reference answers
Development of brain power puzzle game, ideal for children to use, so that your children use their brains to think, away from the electronic
COMFEELING Sudoku Board Game with Book of 120 Sudoku Puzzles Math Brain Teaser Desktop Toys for Kids and Adult