This best-selling novelty storybook format is perfect for Ricky and the Bike Buddies! Fill the pen with water and use it to reveal hidden pictures as you read the story.The Bike Buddies can't wait. Their favorite superhero bike, Steel Awesome, is visiting Wheelford! But what happens when Loop gets a flat tire? Use the magic water pen to find out in this amazing storybook!Decorate every page of the story, then let it dry and do it again! It's the perfect mess-free activity for any Ricky Zoom fan to take on the go! Based on the hit TV show on Nick Jr.