Comfort Lawnmowers
Introduced in 1957, this bad boy had an air-foam-cushioned seat, an electric generating system for operating running lights, a radio telephone, air-conditioning, and even a cooling system to provide a chilled drink on a hot day.
Monopod Seats
It’s probably because she practically has a stick up her butt in the form of this seat designed to travel around and provide a quick place to sit.
The “Motorwheel”
Swiss engineer M. Gerder created this “Motorwheel,” a motorcycle with a wheel that runs on a rail placed inside a solid rubber tire.
Spaghetti Spinners
Introduced in 1968, these still exist today in some form — usually in the form of a gag gift.