Practical Pet Rock Craft - Lady Bird & Bumble Bee Tic-Tac-Toe game - hand paint rocks and a tree stump for a home made outdoor game. More creative ideas @ themicrogardener.
What a spectacular setting of wood tree stump tables and stools for kids
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.