I asked my sister to ask her third grade class to write letters to Santa. I thought they would make a cute holiday display. Her initial reaction was that they didn't believe in Santa. But she went ahead and asked them and their response was - oh yes indeed we believe in Santa! They each wrote a letter and paired it with a picture. I wish I could show you all of them - precious and hilarious.
The trinket "elves" wrote them back. My sister said that her students were so excited, they carried their letters by hand because they didn't want them to get messed up in their backpacks. Some even want to be pen pals with their "elf". Priceless.