We have 1 puppy that sits at the entry way to the pen and whines till mom comes. It works as mom comes running and the others crowd in to feed. I think they designated her the mom caller.
We have started putting them on the puppy pad. Sometimes they use it, sometimes not. The more we do this, the more they get it.
I love playing with this crew but Cinnamon wants to play with me the most. LOL