Input six number from 1 to 6 to a square with size of 6*6, and avoid repeating number either in each line or each column
The Game Toy Game Board has some function keys for playing SUDOKU game
On/OFF: power switch of the Mini Digital SUDOKU Game Keyring Game Player
Start/solve: entering the choosing mode, start game or solve game
Clear/help: Delete number or game clue
Reset: entering or quit the number input mode
Left: moving cursor left
Right: moving cursor right
UP: moving cursor up or increasing the number
Down: moving cursor down or decreasing number
Sound: turn the sound on/off
Mode/Pause: game chooses and game pause
Size of this Digital Player Game Toy: 47 x 44 x 15mm (L*W*D) approx.
Weight: 38g