Each year, millions of school age children must complete science fair projects. While that can be a fun, enjoyable experience, figuring out a theme can be difficult. If you decide to do a project related to avian conservation, you might consider purchasing birdhouse kits. Aside from being an interesting item to display, you can easily build a number of guides and posters to accompany it. In addition, you may even want to use the birdhouse to attract wild birds after the project is graded.