If you have a pup, you’re probably well-versed in the science of balls. Ours have a 21-28 day lifecycle.
We never really find all the pieces of stage 5, so I’m pretty sure stage 6 is digestion.
P.S. A big shout-out to my husband who was the creative director and photographer for this brilliant shot. Also, why are there dirty balls all over my kitchen table?

*snicker* The things guys think about!
We don’t leave Kuster alone with tennis balls, he only gets them as a reward during training, but they would be dead in a matter of minutes if he had the chance!