I decided to make my fairy garden in my old Radio Flyer wagon this year. I put a thin layer of pea gravel in the bottom and then covered it with potting soil. The wagon already had holes in it for drainage. A nursery in my area sells tiny ground covers that are call "Stepables" and were just the right size for this project.
The cedar tree is about 12" tall and was growing in my flower border. I also used moss that was growing in my yard. This was such a fun project!
Of course, no garden is complete without a corgi!