Entertaining the disabled pet- Great article.

https://www.examiner.com/x-7748-Dayton-Small-Pets-Examiner~y2010m1d27-Entertaining-the-disabled-pet

Frankie loves to chase a tennis ball whether in or out of her wheels. Anything with a squeaky will also provide hours of entertainment. I get her those Jack toys with 6 squeakers and she loves them!