Cell phone
Paper towel tube
Two cups
Scissors
Pen
Using the opening of the paper towel tube as a guide, trace a circle on each cup.
Cut holes so paper towel tube fits snugly.
Cut a slit in the top of the paper towel tube for the phone to slide into. Make sure it is a tight fit.
Assemble speakers.
Align holes in cup with paper towel tub ends and insert.
Insert phone in slot.
Play some music and enjoy your speakers!