Yuan, Matt Sudoku for Smart Kids Ages 6-8: 300+ Fun Puzzles with Easy, Medium & Hard Levels 4x4, 6x6, 9x9, and Bonus 16x16 Grids + Create Your Own Sudoku Pages for Brain Training & Hours of Entertainment

VIN, Trikado Sudoku for Kids 6-12: 300 Fun and Challenging Puzzles for Children 6, 7, 8, 9, 10, 11, 12 – With Solutions – Easy to Hard: Boost kids' logic and ... sudoku puzzles—perfect for learning.

Yuan, Matt Sudoku for Smart Kids Ages 6-8: 300+ Fun Puzzles with Easy, Medium & Hard Levels 4x4, 6x6, 9x9, and Bonus 16x16 Grids + Create Your Own Sudoku Pages for Brain Training & Hours of Entertainment

Grace, Elle HOLIDAY SUDOKU LARGE PRINT PUZZLE BOOK: Sudoku Made Simple: Easy 4x4, Medium 6x6 & Hard 9x9 Puzzles – Big Print 8.5” x 11” From Beginner to ... Difficulty Levels – Large Print for All Ages

Lobsterpublications Super Sudoku Puzzle Book for Smart Kids: 390+ Fun Puzzles for Ages 4–9: Easy to Hard Puzzles in 4x4, 6x6, and 9x9 Grids to Build Logic, Focus, and Confidence

MINDGAMES, LOLY 300 Sudoku for Kids Ages 4–8: Fun and Easy 4x4 and 6x6 Puzzles: Learn, Play, and Improve Concentration with Hours of Fun. Discover the fun of Sudoku ... Sudoku for Kids Fun Series (Ages 4-12))

Publishing, Logic Lane Sudoku for Kids Ages 6-12: 500+ Puzzles from Easy to Hard for Smart Children and Beginners Large Print (Concentration, Brain Activity, Focus for Boys and Girls). 4x4 6x6 and 9x9 with solutions.