Automata Coin Bank Automata Coin Bank from John Ramirez Automata Coin Bank We were to make a coin bank that will operate under 1 press/pull/crank of a button. Using only PVC board and that will automatically reset itself. gLike Automata Coin Bank We were to make a coin bank that will operate under 1 press/pull/crank of a button. Using only PVC board and that will automatically reset itself. Model Making Share R 7 n John Ramirez Design Engineer Castro Valley, CA Follow Contact