From the Manufacturer

Sudoku board game. Multi-level highly addictive Puzzle on a board. Includes wooden sudoku board with recesses, 81 double-sided two color counters, 81 mini double-sided two color counters, 1 book with 100 puzzles, 4 self-adhesive board buffers, and 1 velvet counter bag No pencil or paper required. Can be used for any 9 x 9 sudoku. Solve it yourself or with others. Sudoku book with 100 puzzles. Removable grid.