Product Name: Touch Screen SudokuModel Number: 329Place of Origin: ChinaFeatures: 1) Over 10,000 puzzles built-in 2) Three levels: easy / hard / advance 3) Direct number pad input 4) Clock display 5) Power, hints, submit, mute, start / pause, cancel Key 6) Large LCD screen display 7) Fill in the grid so that every row, every column, and every 3 x 3 box contains the digits from 1 to 9