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.
Mosaic Garden Path - Although an ancient form of art, mosaics are still immensely popular today.They’re a great DIY project, with the design only limited by your imagination. What sort of mosaic would you like?