This made me recall some wild online catalog website from the early 2000s that was primarily known (and advertised) for hoverboard sales, where the hoverboard was basically a small noisy gas-powered rectangular hovercraft you could stand on. I think I first saw their ad in Wired, or maybe a gaming magazine. Anyway if you dug into their catalog there was all sorts of wild stuff, from sleep masks that used LEDs to indu…
This site maybe? It's from that time and still exists https://www.amazing1.com
I love how one of their categories is "Exotic Devices"
Just below ... "Anti-Gravity" :-)