Functions:1.players play together,2.can see each players' points,see who are the best?3.unwilling to submit,insert coin again,4.profit machineProduct configuration:1 mainframe,1 target,2 shooting gun(one more gun is optional),1 key for coin collecting box,1 key for the mainframe rear door,1 pint-size L type wrench for zeroing the rifle,2 rifle scope(optional)