Mini SUDOKU Electronic Game Player Key Chain: Brand new and high quality!!
Such SUDOKU Puzzles are also Key Chains, specialy designed for you carry convniently!
Take such SUDOKU Board Game Key Chain Toys to spend your leisure time,
Input six number form 1 to 6 to a square with size of 6*6, and avoid repeating number either in each line or each column
NO/OFF: power switch
Start/solve: entering the choosing mode, start SUDOKU Electronic Game or solve game
Clear/help: Delete number or game clue
Set: 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
Pause: game pause
