Need a quick coastline for a nautical RPG? Or maybe your PCs have decided to wander down to the town's dock . Build Your Own Docks & Coastlines can handle it! This set is completely compatible with the Build Your Own Towns & Villages set. This do-it-yourself set features four seamless 30 by 30 coastlines , dozens of dock pieces in two widths (5 feet and 10 feet) and lots of objects to bring your dock to life -- including a fish market!