Those ARE queen cells. And from the looks they are trying to requeen the hive. If you have had the package only for a few weeks and everything else looks good, you could probably start yourself a small NUC from them, or if the queen isn't producing propperly, just leave things alone and they will take care of the rest...
Not only is that a queen cell (picture 2), it's a textbook classic queen cell. Simply lovely. Even I could spot it. Some of the ones in the first picture are worth a peek from the underside to see if they're open or closed. A little one that is open is just a queen cup.
Honestly, I wish our books had pictures of some of the weird ones you encounter much of the time. When they're buried down the side of crazy-comb they can be harder to spot.
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