If Roo could work through the Dog Casino in under an hour, what could Bentley, the smartest ... a challenge it presents, the less enriching it becomes over time. If only there were a puzzle toy ...

You can also select interactive toys that challenge their minds and dispense treats that can curb destructive behaviors.

We've also put stuffed Kong toys in the freezer to up the challenge for our dogs. The toy is available in various sizes to suit different breeds. And if the toy's rubber isn't the right density ...