an instrument made out of dandelion seeds and mylar balloons

an instrument made out of wax beads and a couple of supermarket freezers

an instrument made out of yardsticks and a sturdy desk fan

an instrument made out of paper straws and a washing machine

an instrument made out of disc drives and soda cans

an instrument made out of sand and the Doppler effect

an instrument made out of yarrow stalks and a wooden staircase

an instrument made out of solenoids and copper pipes

an instrument made out of a saucepan and soda cans

an instrument made out of film reels and shovels