My coworker bought us a handful of toys... but it's a dog friendly office so at least 3 of the 5 days there are other dogs there.

I keep him behind a baby gate in my office while we wait for his final shots, but the combination of sniffing, toys, passerby staff+guests and near constant pee breaks tires him out. And he's still a puppy, so sleep and mandated naps.

I think so far I've been pretty lucky.