Yeah, and some sort of method to make them pop up... maybe a stick with a spring on the end. On top of the spring is the leaf switch and mole assembly. But how would you make them go up and down? I guess individual motors or air pressure (like animatronic Chuck E. Cheese). ACtually, air pressure might be best... one air pump hooked up to a number of computer controlled valves and the valves let air in and out of pistons at computer controlled rates... and on top of the pistons, the switch and mole assembly... hmm... plus, with the air pressure, aside from gaskets, whacking the moles would not damage anything....