I used to believe that the red balls on power lines were accidentally left by alien children when they came to play on earth.
I used to daydream about what fun they must have had. This was on a long ride to a town we had to go to often, so it was a regular thing for me.
A childhood belief about aliens

others believed things like this
- i thought aliens would come to earth year 2000 because of a commercial were an alien ate a hot dog— ulle
- I thought the lines in the sky left behind by airplanes were "sky scrapers". Makes sense.Anon
- I used to thing power plants were cloud factories. xD xD— Kaitlin
- I used to believe that everyone on earth was just really dolls for giants to play with.— Chelsea
- I thought the ball-headed person in the Bic logo was an alien and communicated using alien-like noises.Anon
- I used to think that planet earth was the only thing that existed in the universe— Santiago