This 2006 Sudoku Illuminated Handheld Electronic Game from Techno Source is a must-have for Sudoku enthusiasts. The game is tested and working, providing hours of entertainment. The game features a unique illuminated display that makes it easy to see the board and the characters. It is perfect for players of all ages and skill levels. The game is a great addition to any collection of electronic games, and it is sure to provide hours of fun. The game was manufactured in China and features the popular Sudoku character family. It is perfect for players who love puzzle games and want to challenge themselves.