Awwwww! And … ahhhhh! Boo, the world's cutest dog, adorably shows the way with an exercise program everyone can get behind, and on top of. Funny and bright, in furry red and white, with a blown-up pink ball perfect for relaxing on, this hilarious, marvelous, colorful, canine card will hit just the right spot with that Happy Birthday recipient. Has Boo ever steered you wrong on life's big questions?