Hamtaro Ham Ham Donketsu GameThis fun game is played by operating the levers that make your character hit its butt against that of the other character! Remember, timing is everything! No batteries required, and lots of fun for anyone 4 years old and up! Choose either Hamtaro or Ribbon chan Pull or push the lever next to each doll, and the doll will stick out or retract its butt The one who moves the lever at the right time and knocks down the opponent wins