When I was about 4, my friend and I thought that writing in cursive was just writing a letter and then putting a big squiggle behind it, and then putting the next letter with a big squiggle, etc..
i.e.
"car" in our cursive would be
C~~~ a~~~~ r~~~~~
We didn't figure out what cursive actually was until 3 years later...ooops
A childhood belief about spelling

others believed things like this
- I used to believe that when people wrote in cursive, they were writing in Spanish.— Ellen
- When I was little - before we learned cursive - my sister and I called it 'real writing'. — Monty
- i used to believe that cursive writing was a secret language that only grown-ups could understand.— nicole
- Growing up, I thought that my family that spoke Yiddish were speaking in cursive.Anon
- I used to believe that you could create money (that you didn't previously have) by writing a check.Anon
- My friend Chris told me that when he was young, he thought that "elemeno" was the letter between k and p.— Jocelyn666