As a dog trainer, I highly recommend food puzzle toys for dogs because they provide a wealth of benefits for both you and your pup. (preventivevet.com)
Keep him busy with interactive food puzzle toys when he's alone, and provide him with plenty of personal interaction in the evening. (cuteness.com)
In my area, it seems to be difficult to find food puzzle toys in local pet stores, so I order most of these online as well. (drjensdogblog.com)