Electronic Sudoku Handheld Game

Electronic Sudoku Handheld Game. The latest greatest craze in electronic games. You solve the puzzle with reasoning and logic. Its fun, challenging, and addictive. Features 3 levels of difficulty: easy moderate and advanced. Includes instruction sheet. Uses 2AAA batteries (not included). Measures 43/4'' x 25/8'' x 3/4''. Requires 2 AAA Batteries (Not Included). This unit has thousands of puzzles and will cover a lifetime of Sudoku challenge! About Sudoku: Sudoku is a logic-based placement puzzle. The objective is to fill the 9x9 grid so that each column, each row, and each of the nine 3x3 boxes contains the digits 1 to 9. The puzzle setter provides a partially completed grid so that there is only one solution.