Place: Banjarapalya E4D Makerspace
Step 1: Cut the Pencil
Cut the pencil upper layer and remove the lead carefully.
Step 2: Whole the Matchbox
Take a matchbox and make a two whole as shown in the image
Step 3: Put the Pencil Lead
Take two pencil leads and fix the leads to the matchbox wholes.
Step 4: Connect the Wires
Connect the positive and negative wires to the pencil lead as shown in the image.
Step 5: Connect 9v Battery
Connect the wires from pencil lead to battery, then connect another wire from battery to headphone, and again another pencil lead to headphone.
Step 6: Touch the Matchbox
Wear the headphones and touch the matchbox, then you will hear the sound in headphones.