When I was a kid, I owned a remote control van called the Max Machine. It was sonic, but not ultrasonic. It had a remote with one button that made a loud “clack” when you pressed it. A clack would turn the front wheels left, another would turn them back to the center, another would turn them right, and so on…
I guess you could also include “the clapper” among sonically-controlled items. It also had one of the most annoying jingles ever: https://www.youtube.com/watch?v=sRWtFVFSx5I
When I was a kid, I owned a remote control van called the Max Machine. It was sonic, but not ultrasonic. It had a remote with one button that made a loud “clack” when you pressed it. A clack would turn the front wheels left, another would turn them back to the center, another would turn them right, and so on…
The clacking drove my parents crazy. Here’s a link: https://flashbak.com/powered-fun-thrills-remembering-schapers-telesonic-toys-mid-1970s-53252/
I guess you could also include “the clapper” among sonically-controlled items. It also had one of the most annoying jingles ever: https://www.youtube.com/watch?v=sRWtFVFSx5I