Stackable Rings (VIDEO included)

I finally brought out the stackable rings. I distinctly remember these as a child and I think they are a baby staple. Addison LOVES them. She is trying so hard to actually stack them. She hasn't quite figured it out, but it's only a matter of time. She carries one of the rings with her at all times if she doesn't have the pack of wipes or water bottle with her instead.

Here are some pictures:

And a video, of course: