Elf house on a tree! That would be cute in the garden, especially in the tree over grown with ivy. How about some battery tea lights in the windows during outdoor parties. I hear the fairies/elves whispering "home school project" in my ear.
Unleash Your Imagination – Magical Fairy Garden Designs
"Our homemade Fairy Garden! Great idea if you have a little girl :) My grand-daughter and I made our version of a Fairy State. The beach, the city condo and the country. It was so much fun!" Like the pot inside a pot idea!