8 meter 24 gauge magnetic wire
2 alligator plugs
Step 1: Start Model
Second, wrap wire around the battery and leave about 4 inches at the end.
Third, take wire off from the battery and tape it to the bottom of the paper cup.
Step 2: Start Plugs
Second, strip the auxiliary cord.
Third, plug the alligator plug at both ends of the auxiliary wire.
Step 3: Final
Plug in your auxiliary cord to your device.
Put the cup to your ear.
Move the magnet around the bottom of the paper cup until you hear music.