Sudoku is an old classic game that originated in the late 18th century, This classic Sudoku board game is good for formation of logical thinking. Our Sudoku board is made of quality engineered wood and comes with 81 beautiful Sudoku numbered tiles pieces. A Smooth board and tile pieces will make you feel comfortable. This puzzle game is based on numbers and colors and promotes the practice of logical thinking and reasoning. Built-in multiple game modes and corresponding reference answers can make children more challenging in the game. 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", or "regions") contains all of the digits from 1 to 9. The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a single solution. This game can be played individually, competitively, as well as in a group setting. Sudoku is recommended by many teachers as an exercise in logical reasoning. Every puzzle has a single, unique solution.