Across the nation, everyone is going crazy for this addictive Japanese numbers game! Join the fun with this handy hand-held version of the popular Sudoku puzzle. Perfect for hours of at-home or on-the-road entertainment with an educational twist! Plastic case. Uses two AAA batteries (not included). Measures: 3/4" x 3/4" x 4 1/2" high. Retail Price: $16.95. Read FAQ for shipping rates, charged by weight of order; great deal!