Simple birdhouse that should have the proper dimensions for small birds like wrens, chickadees, downy woodpeckers and some finches.

It's built in three parts that friction-fit together: bottom, middle and top. You need all three to make the birdhouse. Mine fit together so tightly that I probably won't need to glue it.

On the back are two slots to use to hang it on a tree or pole. The holes in the bottom aren't for mounting, but for drainage.