When my neice was about 4 she pretended to be spider man. Once she got really mad at her mom and pointed her hand at her and yelled "WEB!!", because she believed her rage would enable actual web to fly forth from her hand.
A childhood belief about special powers

others believed things like this
- I used to think that my right hand wasn't my right hand anymore if I turned around.— Mike
- I always believed as a child your stomach was a big hand which squeezed your food out through your bum....— amc
- I used to believe that I could actually cut the clouds with my hand.Anon
- I used to believe that if you put your hand in a venus fly trap it would eat it.Anon
- A hot totty was a hand warmer used in winter.— Kari
- If you bite your nails, a hand will grow in your stomach.— Miss Laura