Vehicles: Water Wow Activity Book + FREE Melissa & Doug Scratch Art Mini-Pad Bundle ONE FREE Melissa & Doug Scratch Art Mini-Pad is bundled with this item. The style of the mini-pad you receive is randomly picked. 4 vehicle-themed practice boards and refillable water pen. Reusable pages are white when dry; reveal colors when wet. Chunky-size water pen is easy to fill, easy to hold. Perfect for travel and promotes fine motor skills, number-recognition, and counting skills. For ages 3+.