Wooden Sudoku Puzzle Board Game Math Brain Teaser Toys SD-10(Colorful)

No pencil or paper required. Made of wood, 81 thinking tiles. The best way to train brain.

Comes with booklet of 48 sudoku puzzles, divided into three difficulty levels;

With 9 pieces spare chess, with storage bag, developing children’s storage habit

The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids that compose the grid (also called "boxes", "blocks", "regions", or "subsquares") contains all of the digits from 1 to 9.

Colorful - One color for one figure, easy to catch their attention at 1st glance and separate the numbers during game. Makes a great board game gift for number-puzzle lovers.