HT-ZS11M - ZOpid 4-in-1 Electronic Sudoku with Touch Screen and Back Light
4-IN-1 HANDHELD ELECTRONIC GAME WITH BACK-LIGHT AND TOUCH SCREEN** KEY FEATURES:•	Includes the following four easy but challenging mind games:•	SUDOKU•	DIGIT BRICK•	INSTANT MEMORY•	MASTER MIND•	Digital touch screen•	Large high-contrast LCD screen with soft-white backlight, which is easy on eyes and suitable for day or night use•	Demo mode at the beginning of every game - shows how the game is played•	User selectable contrast levels and difficulty levels•	Each level can automatically generate multiple puzzles•	Game automatically enters sleep mode if not used for 3 minutes•	Resume function continues game where it wast when the game was turned off or went into sleep mode•	Undo function can undo up to last 128 steps•	Uses 2 "AAA" batteries (not included)•	Display size 52 mm X 63 mm** INCLUDED WITH THE GAME:•	Stylus•	Instruction Manual