4 spiral-bound space-themed coloring boards (satellites, rocket ship, lunar landing, and space station) and refillable water pen Reusable pages are white with simple line drawings when dry; reveal colors and patterns when wet; let dry and color again Chunky-size water pen is easy to fill, easy to hold, stores in compact, spiral-bound book--great for travel Promotes fine motor skills, early writing/reading skills, and visual discrimination Makes a great gift for preschoolers, ages 3 to 5, for hands-on, screen-free play