Originally posted by buckner
If you're going to try it out, get the large ones made for ferrets. Some rats actually do like to run around in them (just like some like to swim). If your rats don't like it, take them out and just pop it in their cage with the lid off (so there's a large opening) and put some comfy blankies in it, and let them start sleeping in them. I've seen so many adorable ratties sleep in them... they'd prefer that over anything, from what I've heard though.
Oh yes, ratties LOVE to sleep in them! Though I think if she wants to exercise her rats it's better to take them out and actually play with them, not just throw them in a ball. Plop them on your shoulder, let them roam on the couch etc. That's far better than shoving them inside a plastic ball IMO.

BTW, when do we get to see more ratty pics. Ha ha?!