World Puzzle Federation - Hmm What about declaring today to be an International Sudoku 4x4 Day? Solve online

Sudoku 4x4 - Hard

1200 Easy Sudoku for Kids 4x4 - Bundle Graphic by PrintablePDFStore · Creative Fabrica

Sudoku 4x4 PDF

4x4 Sudoku for Kids with numbers - Sudoku Online

Set of Sudoku 4x4 Puzzles for Kids, 6000 Sudoku Puzzles with Solutions

Math Sudoku Puzzles Digital Download Easy Level 4x4 Grid: 300

Handwriting for Kids - Picture Sudoku

1,000 Sudoku: 4x4, 6x6, 8x8, & 9x9 Graphic by SKLM · Creative Fabrica

Abstract Blue 4x4 Sudoku Template Notepad

100 Easy 4x4 Sudoku Puzzles for Kids: Mini Sudoku Puzzle for Children / Ages 4-6 / Large Print / Handy Size (Large Print / Paperback)