Building a DIY cat wheel takes several days. I tried to iron out most of the kinks I encountered, but honestly, this is a labor of love. Finally, there's no guarantee your cat will use this.

A Fitbit might not be the best fitness tracker for your cat — this DIY project offers a much better solution.

If you don’t have a cat wheel, DIY is an option. If you don’t have a cat, we’ve also highlighted dog treat dispensers. If you don’t have either, check with your local animal shelter; ...