I thought when I was a child that when adults put mail in mailboxes that the mail traveled under ground right to the other person's mail box. :)
A childhood belief about in the street

others believed things like this
- I thought when i was a kid, that all mailboxes had tubes that brought your mail to the person u sent it to.— Andrew
- i used to think that the word e-mail was a sex, like male, female and e-mail.
I'm so thick!— Confoozed - When my sister told one of my brothers her e-mail address, he thought to spell out “at” instead of typing “@”.— EJ - no longer computer illiterate!
- I waited for the mail to come on my 11th birthday so that I could get my letter to Hogwarts... It never came.— Charlie
- when I was little, I used to think that everyone was a child but someone invented adults to take care of us.— chocolate
When I was a child I thought there was a person inside the ATM— Grace