Lego Modular Castle. Here we have attached the whole balcony to the side of room module. You can also see two half battlement modules that will go on top of either the room or balcony module. Learn more about this system at http://thebrickblogger.com/2015/10/lego-kingdoms-modular-castle-system/?utm_source=feedburner&amp;utm_medium=email&amp;utm_campaign=Feed%3A+thebrickblogger+%28TheBrickBlogger%29