Specifications: 1) Latest digit game kakuro upgraded sudoku various digit games for sharpening your mind 2) LED brightness adjustable 3) Auto power off 4) Time set 5) Alarm clock 6) Unit dimensions: 150 x 80 x 24mm 12 in 1 handheld game: 1) kakuro 2) Sudoku 3) Digit tetris l 4) Digit tetris ll 5) Digit tetris lll 6) Digit galaxian 7) Chinese sliding-block 8) Digit fir 9) Digit miner 10) Digit master mind 11) Match-and-catch 12) Calendar Inner packing: Gift box Box dimensions: 55 x 163 x 53mm Outer packing: 20pcs/carton Carton dimensions: 54 x 33.6 x 27.5cm N.W.: 5kg G.W.: 6kg