They're off to see the wizard, the Wonderful Wizard of Oz. Follow the Yellow Brick Road to the Emerald City of Oz with this Mr. Potato Head: The Wizard of Oz Collector's Set. With four Mr. Potato Head figure - Dorothy, the Scarecrow, the Tin Woodsman, and the Cowardly Lion - you can imagine your own tuber-tastic adventures in that magical land somewhere over the rainbow!