The Obsidian Trail is a great background video to watch for the Archaeology Station - also available as one video here:
https://www.archaeologychannel.org/video-guide/video-guide/video-guide-list/408-the-obsidian-trail
This activity was added later. The older kids spin the big spinner and search for the answer to the questions on the banners.
The art activity is water color painting of one or two native fish that are printed on construction paper, then cut them out, add googly eyes and staple to paper hats. See photos!