Detailed Product Description- Endless generate and supply literal 9x9 Sudoku puzzles.
- Minimum size 43x73x15mm.
- Keep a Sudoku into your pocket.
-
Keychain hook or hanging hook.
- Built-in three levels, easy, hard and harder. Suit for any level people.
- User levels: Create your own Sudoku or input from newspaper or book.
- Integrated Sudoku solver. Can solve million true unique Sudoku.
- Advance hint system: Provides a step solution, error location or solve completely.
- Save and load up to 2 games.
- Count up or Count down in minute.
- Count up or Count error input.
-
Clock and
Alarm.
- includes 1xCR2032 battery
- free download PC sudoku