Ameego Wooden Digital Sudoku Board Game with Drawer Kids Logical Developmental Intelligence Math Brain Teaser Desktop Toy

· No pencil or paper required. Made of Beech wood, 81 thinking tiles. The best way to train brain. 1 spare tiles per number · Comes with booklet of 100 sudoku puzzles. One spare tile per number, all fit neatly into the drawer; Each tile is double-sided, black for numbers you're sure about, red for possible · The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 sub grids that compose the grid (also called "boxes", "blocks", "regions", or "sub squares") contains all of the digits from 1 to 9. · Sudoku helps everyone to think calmly, relieve stress and strengthen analytical skills, Makes a great board game gift for number-puzzle lovers., Manufacturer: ameego