I had an old pair of speakers from a computer that ran windows '98(just so you can tell how old) that I decided to make into headphones.
The headband is made from pieces of metal I found in a printer I dissasembled.
The piece from the headband to the speaker is from an erector set.
The erector set piece is attached to the speaker with a hose clamp.
The cover is made from pieces of cardboard I cut out and glued together.
The ear thing is made from an old t-shirt i rolled up.