World's Hardest 4x4 Micro Sudoku : r/sudoku

Sudoku 4 x 4 Worksheet - Sudoku for Kids (Teacher-Made)

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

Easy Sudoku Puzzles for Kids - 4x4

Two 4x4 sudoku for kids to print: Level Beginner, No. 1 and No. 2.

4x4 Sudoku 12

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

Blank 4×4 Sudoku Grid – Free Printable

Sudoku for Kids: 4x4, 6x6, 8x8, & 9x9 Puzzle Grids - Gradually Introduce Children to Sudoku and Grow Logic Skills!: Barnes, Jean: 9798699661510: : Books

I hired a developer to create a sudoku generator for me. It generates 4x4, 6x6 and 9x9 with the difficulties easy, medium, hard, very hard. This is from a 6x6 very hard

More Kindergarten Sudoku: 4x4 Classic Sudoku Puzzles for Kids