Mechanical FunctionThe setup: You push the lever on the back down until the green fish head snaps and locks into the open slot.Coin placement: You place a coin directly into the open mouth of the green fish.The action: When you press the release button or lever on the side, the spring-loaded mechanism triggers. The fish snaps back along the track, and the fisherman moves his arm, effectively "launching" and dropping your coin directly into the brown bait barrel behind him. Missing rubber plug that holds coins in.