The Hide-A-Squirrel looks cute, and since he seems like he likes spying and stuff...
If it's mainly for the dogs, outside would be best for them to run around and have more fun (unless you have a big yard!).
Yoda usually gets a big hamhock (no salt added, just boiled) on his birthday, as that's his ABSOLUTE favorite food in the world! Here's some links to YT threads about homemade doggy treats, let us know whatcha decide to do, and we're excited to see pictures/videos of the big day!
http://www.yorkietalk.com/forums/sho...t=cake+recipes http://www.yorkietalk.com/forums/sho...t=cake+recipes http://www.yorkietalk.com/forums/sho...t=cake+recipes