Pressure Plate Trip Circuit: FREE

this is a land mine like circuit that is completed when Pressure is applied. This is not the full circuit, it is only a peace that can be used as a switch that is triggered

       things you will need

sponge

wire

card bored or heavy paper

tin foil

tape

        tools

knife

step three
:cut sponge

the name seas it all cut a round hole in the center of the sponge

step four
:form plates