We snatched one a the local Mickey D's. Yoda loves it and loves to chase it and chew on it. It's actually pretty durable, as Yoda hasn't killed it after two days of playing with it.
The DOG Yorkie Coffee Mug looks pretty cute as well... there's also a Bobblehead too.
http://www.planet-gizmo.com/dog_gift...mug_yorkie.htm