Sudoku 2x2 Block for kids beginners: Easy and Fun Activity for Childen with 150 sudoku with Solutions | Part 2: Pfrommer, Kai: 9798770877151: Amazon.com: Books
SUDOKU: Sudoku Puzzle Solver/Generator
SUDOKU PUZZLE 200 EXTRA EASY 2X2 Vol.1 Graphic by KDP Hero · Creative Fabrica
Printable Sudoku puzzles at beginners level for smaller and bigger kids