Features: 1) Full LCD touch pad screen with stylus 2) 100,000pcs built in puzzle games 3) With LED back light 4) Sound effect 5) Fits pocket and palm Specifications: 1) Display: LCD touch screen, 63 x 53mm 2) Game functions: a) 3 levels of games b) Helpful hint c) Automatic solving function 3) Function keys: on / off key 4) Power supply: 2 x AAA alkaline batteries (not included) 5) Dimensions: 12 x 7.8 x 1.7cm 6) Rule: fill in the grid so that every row, every column, and every 3 x 3 box contains the digits 1 through 9, without repeat number for each row and column Inner packing: Blister card and gift box Outer packing: 60pcs/ctn Carton dimensions: 59 x 34.5 x 40.5cm N.W.: 14.5kg G.W.: 13.5kg Conveyance: Qty/20\'\' FCL: 20,460pcs