The Technosource Sudoku electronic handheld game is a compact and illuminated travel companion perfect for solving puzzles on-the-go. With a sleek design and focused gameplay, this travel techno source is ideal for those aged 8 and up who enjoy challenging their minds with the game of Sudoku. This pocket-sized game offers hours of entertainment and is a great way to pass time during travel or leisure activities, making it a must-have for Sudoku enthusiasts. Has stylus, tested, all works.