Maru.
I was sooooooooooooooooo annoyed when I bubbled happily at my son about this wonderful set of videos I'd found, and he goes, "Oh, Maru? Yeah, those are great." I glared big time. He looked guilty, as he should have. The glare of course meant, You knew about the greatest cat videos ever and you never dropped me a hint?
Latest one, with smallsmall boxes, is
here. Youtube will get you the rest of the way. This one's ok, but there are better. And yes, I expect Everyone already knows about them, but just in case... (the latest really has been going around Fb tonight, so maybe everyone hasn't seen it yet.)