Transcript:
Hey guys! Check this out! I take a piece of quack grass, place it between my thumbs like so, and... Fweeeeek! I know. You showed us that last week. Thank goodness for the new baby... I'm running out of dad tricks for these two! What else you got?
Teach them to whistle with thumb and fingers. It took me four days to learn that one, so it should keep them busy.