What? We're not doing anything....

Ferb and I like to play tricks on mommy.  Sometimes we pretend that we're getting in to trouble when we're really not doing anything.  This afternoon, we were making a lot of noise in mommy and daddy's bedroom and mommy came to check on us.  This is what she found:

That's right.  Nothing.  We were just hanging out.  It's so much fun to make mommy nervous!