Spring Blooms & Double Decker Birdhouse (Garden of Len & Barb Rosen) Terra Cotta pots turned upside down and glued to terra cotta trays, cute idea!
6 Sensational Up-cycled Birdhouses » Curbly | DIY Design Community. That looks easy enough :)
Cute DIY kids’ fence: This quirky faux-birdhouse fence is the perfect backdrop to a kids’ garden. Might make for a dog fence.