The wackiest project on the list is that the BeetBox. Created by creative person Scott Garner, it's AN interactive drum kit made from vegetables. You faucet the beets to make a beat, a bit like a true drum kit.
The secret sauce may be a electrical phenomenon bit device that connects to a Raspberry Pi, that sends signals to AN amp within a home made picket case. Surreal? affirmative. Functional? affirmative. Fun? Hell affirmative.