A childhood belief about fairies

I used to cut out and collect people's faces from magazines, I had literally thousands of them, it was my quite serious hobby when I was 7-9.
And one day for some reason I thought if gave one of them to a fairy, she'd make a real small person out of it (a few centimetres tall) and I'd have it to play with it and to dress it up and to show it off. So I picked one face I didn't really like (don't blame me, I'd miss any of them, so I tried to minimalize the loss) and put it into a box with a letter to the fairy. But the magic would only happen if I didn't look into the box for the whole day and the whole night and I never managed to do it, so the face was still there and I always hoped I'd have more willpower next day.
Until my friend saw the letter and wanted to read it and I felt so embarassed that I told her to do anything with it but read it, and she threw it into the rubbish bin. I don't know if she read it later or not, but I thought the fairy was probably offended by throwing the letter out and I took the face out of the box and stopped trying.