Tetris game machine pop station product characteristics; adults play can recall childhood fun, children play can exercise his, her reaction ability and brain coordination, an economical and affordable toy, quickly take home and your child together with the happiness of parent-child games. the big screen is very suitable for the elderly to pass the time oh, will not hurt the eyes. function introduction; on/off: power switch. reset key: the reset key restores the game to its initial state. mute key: switch the volume switch. s/p key: start/pause key. rotate key: standby mode selects a-z game show. level key ← : standby state select 1-10 game difficulty speed key → : standby state select 1-10 game speed. fidget toys children pocket game console 23-category game one piece handheld psp console classic toys for kids gift.