Your kids would love to turn their favorite drink carton into a bird feeder. DIY Milk Carton Birdhouse This image courtesy of theseamanmom.com. Feb 25, 2016 - Kids make this simple bird house craft from milk cartons and tempera paint. Save your lid. This will make the bird house water resistant. Using a clear sealer, spray a light coat over the entire bird house. Set your lid aside. How To Make A Milk Carton Birdhouse. Part of your twine will be coming up through the hole and the other end will wrap around the side. In a well-ventilated area, place your milk carton on a drop cloth. Poke a hole through the top of the lid and push a long piece of twine through only one end of the hole. Re-use old milk cartons and make a cute birdhouse out of them! This reader submission shows you how one is being made. How To Make a 1/2 Gallon Plastic Milk Carton Homemade Birdhouse Step 1: Lid. Next time you finish a carton of milk, rather than throwing it away, dress it up to be a fancy bird house! If you do not want to invest too much time, then keep it simple, without any showy decorations. How To Make A Milk Carton Birdhouse. DIY Milk Carton Bird Feeder: A Cool After School Activity. DIY bird houses are a great way to add some decor to your yard. You know what they say, "reduce, reuse and recycle!"