I used to believe that if I made a large enough frame out of blu tack, and then filled it with a soap bubble, I would be able to reach through into blu tack world and build a portal big enough for me to go in.
A childhood belief about physics

others believed things like this
- I used to believe that the bubble gum medicine was really made of bubble gum. i believed this until i was 16.— Shawn
- when i was younger, i used to believe when i slept a other world was buildAnon
- I used to believe that if I swallowed bubble gum, a bubble gum tree would grow inside of me. — Ryan
- There was a popular rumor back in grade school that BUBBLE YUM gum was made with spider eggs.— Amber
- I used to believe that as I ate food, I filled up, and that once I filled up completely, I would die. Anon
- I thought that "Doube Bubble Toil and Trouble" was "Doube Bubble, Toilet Trouble" Anon