Yes, they are excellent Houdini's You could try upgrading her food size to see if she is just hungry. It's basically normal though. All of mine do it, especially a few days before it's time to eat
Well, her first meal was a fuzzy mouse. Seemed okay size until I saw what everyone else was posting their balls eating. I haven't weighed her, however I already know when I go get food tomorrow I'm upping the size.