Features: 1[Hamster Mode] Hamster mode has 6 levels, 6 speeds, each level is different in difficulty, the same level error 5 times to end the game. 2[Entertainment Mode] There are 4 modes of entertainment mode, unlimited time and 30 seconds, 60 seconds, 90 seconds countdown challenge (3 timings). 3[English Learning Mode] There are not only game modes, but also learning modes. The English learning mode has 197 contents, which are learning mode, animal mode, MIDI mode, lighting mode, and jazz drum. 4[Cultivate Children's Hands On Ability] Interactive baby toy can be fun to play on the piano, turn on the switch, the music sounds, there are nursery rhymes, animal sounds, can cultivate children's hands on ability. 5[Ejection Device] Use the ejection device for launching to set unlimited time challenge and 90 seconds, 60 seconds and 30 seconds countdown. Package included: 1 x Whack Mouse Game Main Body (Battery Not Included) 1 x Monster 1 x Hammer 5 x&nbspEjection Ball 1 x Piano Beater 1 x Manual