Zack and Quack Popup Speedway - Zack and Quack Video Games\rbr Zack & Quacks adventures take place inside the pages of the most amazing pop-up book ever where new locations literally pop up as the story unfolds. Each story starts and finishes in Zacks backyard--a beautiful garden filled with lots of pop-ups waiting to be pulled. At the beginning of each episode, the book opens and Zacks Pop-up Treehouse magically unfolds right in the middle of the garden.