Conductors: Aluminum Foil, Aluminum Nail, Brass Ring, Copper Foil, Paper Fastener, Nail, Paper Clip, Screen, Screw, Washer, Insulators: Rock, Cardboard, Plastic Chip, Straw, Rubber Band, Sponge, Popsicle Stick, Yarn, Pencil, Book, Scrunchie,

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