This technique was covered by magazines like Popular Science and Popular Mechanix in the 1950's and 1960's. It is a lot harder today because of cramped engine compartments and heat shields. The radiator doesn't get hot enough.

I, for one, welcome our new giant Lego overlords.

There's also The Great Stalacpipe Organ of Luray Caverns in Virginia. They have a large organ keyboard wired to dozens of solenoids which tap the stalactites. The stalactites are spread throughout the caverns and were chosen for their resonant frequencies. Microphones pick up the sounds which are mixed, amplified and fed to speakers.

This may explain those mass groundings. They're trying to get out of the pool!

I'll hassle blood you!

Invisible uncle Arthur! Quick, take my picture while I rip this human's throat out.