This set includes four spiral-bound dinosaur-themed coloring boards and a refillable water pen. The reusable pages feature white surfaces with simple line drawings when dry, revealing colors and patterns when wet. The chunky-sized water pen is designed for easy filling and handling, and it conveniently stores inside the compact, spiral-bound book, making it ideal for travel. This activity supports the development of fine motor skills, early writing and reading skills, and visual discrimination. Suitable for ages 3 and up, the package measures 6" x 10".