|Photo from http://gardenofedenlocation.com/moss-garden|
If I could give you more info I would, but sadly the author at http://gardenofedenlocation.com/moss-garden (update: that URL is no longer an active website) did not provide specifics on these charming mossy-faced creatures. Where do these sprites dwell?!
Learn to create your own terrariums with my three part how-to guide:
1. Materials and Tools Needed
2. Adding Soil Layers
3. Adding Plants