There is a lot of different parts in this one. Wings are made of plexiglass pieces fastened together by stapler clips using a soldering iron. You just have to place a staple in position and heat it's back with soldering iron also pushing it down until it melts the material and goes through. Then bend protruding ends of a staple flat. Some practice is needed however this is an excellent way to put some pieces of plastic together or to repair some cracked plastic items.