Pronteon shows how to make a remote power control for battery powered devices… – “Thin conductors on both sides of a thin insulator are connected by wires to a remote switch. Slide it between the batteries. It breaks the connection until the switch is turned on. In this case, the battery powered loud and obnoxious talking halloween skull was the face of Leaf Boy, a leaf stuffed guy. Too much trouble to get to the power switch, so he needed a power switch on a wire. Also it would make him shut the heck up until someone was in the right spot for him to yell at them.” – Link.
HOW TO – Make a remote power control for battery powered devices