Each book comes with 4 REUSABLE WHITE PAGES:  Each coloring book with water pen for kids feature 4 reusable white pages that include simple line drawings when they are dry, then are filled with color when wet.
CHUNKY PEN: Each activity book comes with a chunky-sized water pen that allows easy filling and is designed for smaller hands to easily grasp. The compact, spiral-bound format is great for travel.
GREAT GIFT FOR AGES 3 TO 7: This activity pack is a delightful and educational gift for kids ages 3 to 7 years.