Brand new Digital Sudoku Electronic Handheld Game, blue.  Randomly generates 1 of 2 million puzzles, 2 difficulty settings (with or without hints).  Features easy to read LCD, game sounds, timer for tracking speed.  Lightweight, portable, large soft touch number keypad.  Auto grid memory, time, date & alarm.  Runs on 2 AA batteries not included.  Size is approximately 6 x 4.25 inches.  Printed instructions included.  Requires filling nine blocks of nine boxes each with all of the digits from 1 to 9 without repeating with 1 solution per puzzle.