Capture the round, feline! Fetch the paper, kitty! Get the Frisbee, kitty!
http://wiki.soippo.edu.ua/index.php?title=%D0%9A%D0%BE%D1%80%D0%B8%D1%81%D1%82%D1%83%D0%B2%D0%B0%D1%87:Jlangworth99ba
Those aren't regulates you're likely to be releasing to your feline anytime soon-- at least not with any type of success. Felines aren't precisely receptive to that kind of training.