the boy who held the sun in his hands.

I remember a story I read in a book I held in my hands in middle school that I also owned, the story was about a boy who showed his mom he can hold the sunlight in his hands while the curtains were open and the sun was shining out.

i cannot find it anywhere, nor the writer or the book. and no i did not come up with it. my mind would make up things but not like this. and yes this was the title of the story and yet i can't find it.