For quite a while, this was one of his primary forms of entertainment.
And in case the photos aren't a very good indicator of his actions, we have a video as well. We like to double-up on the capturing of little habits like this.
Not long after he learned that they were doors, he figured out how to open them and keep them open. And now the contents are constantly scattered throughout the apartment...
Kids.
They're pretty dang awesome.
