Sudoku KeyChain Puzzle Game (KC-2100)

Just clip to your keys and you can take Sudoku with you anywhere! Features 6 levels of challenging gameplay, helpful hints, and automatic solving function. To play Sudoku, just fill in the grids to make every row, every column and every 3 x 3 box contain digits from 1 to 9. EXTENDED SPECS Display: LCD screen, 44 x 28.4mm Game functions 6 levels for game play, 6 helpful hints available, Automatic solving function Power supply: 3 x Ag13 button batteries ( Not included)