I used to believe the munchkins in The Wizard of Oz were children who had plastic surgery and makeup done to make them look like little grown ups.
A childhood belief about films

others believed things like this
- I used to think that doctors added plastic to your face in plastic surgery.— caro
- I used to think that plastic surgery actually involved using plastic.
— JohnJ - I used to believe that plastic surgery was done with plastic knives.— Vicki J.
- I used to think that only grown ups were "people".Children to me were no people ,they were just children.— Minny
- As a small child I believed that the word was "nakeup", finally I found out that it was actually "makeup".— Hannnah P.
- I used to believe that grown-ups were born "grown up" and that I would stay a little kid forever.— Still A Kid