Bristol Cobblestone Bridge For Miniature Fairy Gardens #MG47. Cobblestone posts with wooden log construction creates a charming addition to your Fairy Garden Store miniature garden. The gentle curve is perfect to put over a stream or dry water bed. Our designers recommend creating dry river beds throughout your garden by purchasing an inexpensive bag of pear rock from your home improvement store and line a trench in your garden. Then, sprinkle a few river rocks in there for realism. Then. place the this bridge over your trench. Hand Painted. 5" Long.