DESC: Be careful not to blow a circuit when you hear that Sudoku goes technical with Do You Sudoku? Electronic game! Programmed with over 10,000 Sudoku puzzles and featuring a 2 line, 14-character LCD display, this is the must-have for the Sudoku enthusiast! This is the first Sudoku game with three grid patterns (36, 81, and the monster 144 square!). Electronic intelligence tells the computer which grid card has been inserted, Includes game unit, puzzle cards, dry-wipe pen, and directions. For ages 8 and up.