The Backyardigans Easy Sudoku Puzzles
These Easy Sudoku Puzzles books feature images of Backyardigans characters in less-complicated 4x4 Sudoku grids (the regular kind is 9x9) instead of numbers. To solve the puzzles, kids can use the more than 200 stickers included with each book! Now everyone in the family can enjoy the world's fascination with everything sudoku!