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,

Conductors or Insulators?

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?