When I was young I couldn't wrap my head around the concept of a car engine. So I always wondered how the driver of a car could be strong enough to pull everything that was in the car behind him!
I remember being especially puzzled when we moved houses and my dad was driving a moving van.
A childhood belief about cars

others believed things like this
- I used to believe that when you moved houses, you traded homes with the person whose house you're moving into.Anon
- I used to think that when you moved, you SWITCHED houses with the person who moved out.— Sheippe
- I used to believe that a "ghost-driver" was a car driving with a white sheet over it.— Nynke
- i used to believe that when a person moved away, they switched houses with the person that bought their house— alli
- I remember being told that thunder was just God moving his/her furniture around.— kipperfeet
- When I was very young, I believed that houses were carved out of one gigantic block of wood.— tinmanjones