iGadget Sudoku Electronic Puzzle Game

This portable Sudoku electronic push-button game has an easy-to-see backlit screen and 3 difficulty levels. Sudoku is an innovative number puzzle game that has taken the world by storm. The game is based around a 9x9 grid, divided into smaller 3x3 sections. Some cells are pre-populated with the numbers 1 to 9. Your task is to fill the remaining empty cells, so that each row, column and region contains one instance of every number from 1 to 9.

Features
Three Modes: Easy-Medium-Hard
Each mode can automatically generate several puzzles
Built in memory can record game status and highest score
LED backlit function. Intelligent control. Manual or automatic option
"SLEEP" function. automatically enters into sleep mode after 10 minutes if not used. Continue game by turning on.
By pressing "Submit" allows you to examine results on game completion
Cursor design: Flashing cursor indicates current position allowing for convenient directional move
Large LCD screen, suitable for day or night use.
Sound function: Keys use different sounds to minimize operation error
Runs on two 'AAA' batteries (Included)
What's in the Box: TY-425 Sudoku Game, 2 'AAA' Batteries and User's Guide