When I was 5 or 6 i believed the Pilsbury Dough Boy was real. I asked my parents for one for Christmas. I was very disappointed to discover he wasn't real when I tried to poke him in his stomach and he didn't giggle.
A childhood belief about toys

others believed things like this
- For the longest time I didn't know that Spinal Tap wasn't a real group. No wonder I couldn't find their music.— Louis
- I used to believe that all languages were just jiberish and I asked my mom why they didn't use real words.Anon
- I used to believe that Timbuctou wasn't a real place.— Leah
- i used to believe dragon ball z was real
and namek was in another dimension
and every show on tv was realAnon - I used to believe that boys were like robots and had no real feelings, that they were not even real people.— Lisa
- i used to believe that the telly tubbies were real because the rabbits are real!!— hotty