Electronic Sudoku

Now you can play the fascinating game of Sudoku in a fun-filled handheld electronic game with sound function. Choose from three levels of difficulty with hundreds of games for each level. Includes memory function to record the game state and higest score, sleep mode and automatic answer correction. The back-lit LED screen is easy to read both day and night. Measures 2 3/4" x 4 1/2" x 3/4". Requires 2 "AA" batteries, not included.