In 1913 it was legal to mail children. With stamps attached to their clothing, children rode trains to their destinations, accompanied by letter carriers. One newspaper reported it cost fifty-three cents for fare.
When I was younger my parents threatened to get one of those I tried to reason saying humans should have privacy and they literally argued by saying children aren't real human beings until they hit eighteen
Spooky Halloween tales that won't leave your kids screaming in the dark