Introduction: Phone AMPLIFIER

i cant think about something to say.


a pen, a plastic cup, a tea box, duct tape, a wooden skewer and an utility knife.

Step 1: Step 1: Mark Your Cuts

mark two places: the place for the phone, and the place for the cup.

Step 2: Step 2: Cut Your Markings

cut the places you marked.

Step 3: Step 3: Cut the Bottom

cut the bottom of the plastic cup.

Step 4: Step 4: Put the Cup in the Hole

put the cup in the hole.

Step 5: Step 5: the Finishing Touch

put the skewer in his place, reinforce the cup with duct tape, and your done.