BRAIN GAMES - Challenging and Fun Sudoku Puzzles for Clever Kids Sudoku Puzzles Activity Book For Kids: 250 Sudoku Puzzles Easy-Medium-Hard With Solution Sudoku is one of the best ways for kids to improve their memory, increase concentration levels and have a lot of fun at the...
100 EASY + 80 MEDIUM + 70 HARD
There are 4 puzzles per page and solutions are at the end of the book.
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