My sister believed that travel plug adaptors (the things you have to make your electrical appliancies work overseas) were used for breathing through when on an aircraft...weird!
A childhood belief about aeroplanes

others believed things like this
- When my dad was little he thought that mistletoe was some kind of aircraft.— xoxo
- On this site when people sign "Anon" I thought Anon was one person who believed in a lot of weird things...— Slow to catch on.
- When I was little I believed little men and little women worked inside my body to make everything work.— Ashley
- If you left a plug socket on with no plug in all the power would run outAnon
- i used to believe that 'overseas' was a countryAnon
- when i was a kid i believed i could make things happen just by snapping my fingers like in mary poppins!!Anon