What you'll need:
Crackers (graham, saltine, etc.)
Use the crackers as walls and the peanut butter as glue. We just made a simple square out of crackers, using peanut butter to secure the house to the plate and the walls to one another. We put a flat "roof" on and then added some angled cracker pieces for looks. We made "windows" out of smaller saltine crackers, attached with peanut butter. We added some rice and lentils to the bottom of the plate to help attract our birds. Put it outside somewhere where you can see it from inside your house. Enjoy your feathered friends from the warmth of your home!
And in case you are are wondering - we used these crackers which come in sheets (perfect for building):