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.
*Good one for the school craft bazaar!*How to make: Shabby chic cardboard stars - You'll need: Empty cereal box Paint (Any colour you fancy!) A felt tip pen in dark blue or black Star templates (included in instructions) Scissors Paintbrush