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.
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)
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and/or reproductive harm. For more information, go to www.P65Warnings.ca.gov.