Apparently, sunglasses don't count as a thing...or things...whatever.
Speaking of sunglasses, Bert's sunglasses are really kicky.
On the one hand, it makes sense for Ernie to be irresponsible and forget things, but on the other hand, one would think he would remember his pail and shovel since he's all about having fun.
It wasn't very nice of Bert to pack a lunch only for himself. But then, it wasn't very nice of Ernie to comment on Bert's "yucky" music.