The Melissa & Doug On-the-Go Water Wow! set includes three reusable water-reveal activity pads (Dinosaurs, Adventure, Space), each with four spiral-bound pages and a refillable water pen. The chunky-sized pen is designed for small hands to grip comfortably. The white pages feature simple line drawings when dry, revealing colors when wet. Each page includes fun facts and seek-and-find activities to encourage learning and engagement. Suitable for ages 3 to 6, this set provides screen-free, hands-on play. The product is made with FSC-certified materials (FSC C156584), supporting responsible forestry. This applies to new inventory only.