Andux Zone SD-02 Wooden Sudoku Shelf, Games with Drawer (Green)

No pencil or paper required. Made of beech wood, 81 thinking tiles. The best way to train your brain. Includes 2 additional tiles per number. Comes with booklet of 100 sudoku puzzles; The goal is to fill a 9×9 grid with numbers, so that each column, each row, and each of the nine 3×3 subgrids that make up the grid (also called "boxes", "blocks", "regions" or "subsquares") contains all digits from 1 to 9. A great board game gift for numbers puzzle lovers.