Little ones can use their choice of color on every page with Bendon's Peppa Pig Imagine Ink COLOR! Coloring Book! This patented technology magically reveals the color of each Magic Ink marker. Your little artist will love coloring Peppa and her family, and you'll love the magic of mess-free coloring. Imagine Ink markers are non-toxic and invisible on most household surfaces. This is an official Peppa Pig licensed product that is ideal for children ages 3 years and older.