I used to believe that carpooling was actually a pool filled with oil and cars would go in it. I don't know why I thought that, and what the purpose of the car pool was. I even wrote a story about it in second grade.
A childhood belief about cars

others believed things like this
- I believed that the Kreepy Crawlie used to clean our pool, would follow me around the pool and eat me. — Mother-of-2
- When I was a kid I used to think the "carpool lane" was an actual pool cars went swimming in— skeez
- Up until I was in 3rd grade I believed my bathing cap is what kept me afloat in the swimming pool! Anon
- I used to think that a "pool shark" was an actual shark that lived in a swimming poolAnon
- Whenever my fingers wrinkled from staying in the pool too long, I thought I was aging faster.— The Mortal Elf
- If you pee in a pool, the pee disappearsAnon