Very easy sudoku puzzles for kids or beginners. Sudoku is game with goal of placing numbers 1 to 9 on missing spots in 9×9 fields grid. Each row, column and each of nine 3×3 subgrids should contain all numbers from 1 to 9. The same number may not appear twice in the same row, column or in any of the nine 3×3 subregions of the 9x9 playing board.