I used to believe that babies all sat on a conveyor belt in heaven: babies of all kinds (humans, turtles, dogs, etc.). Then they drop off into their momma's arms.
A childhood belief about reproduction

others believed things like this
- I used to believe that boys had boy babies, and girls had girl babies.
That was when I was 3-7. I'm 15 now.— Stefanie Michelle - I used to belief that babies came from babies r us.— Honey
- I used to picture God as a giant transparent poodle after seeing "All dogs go to heaven".Anon
- When I was young, I used to wonder what if the animals turned into humans while the humans were away.— Kirk
- I used to believe babies came out of mouths.— Hailey
- I used to believe babies came from the supermarket.— Jenna