Reveal a rainbow of colors on every page with Bendon's Imagine Ink Magic Ink Coloring Book! This patented technology magically reveals a rainbow of colors with just one Magic Ink marker. Your little artist will love finding favorite Despicable Me characters, and you'll love the magic of mess-free coloring! Includes 16-page Magic Ink Coloring Book and 1 Mess-Free Imagine Ink marker (which is invisible on most household surfaces). This is an official Despicable Me licensed product and is ideal for children ages 3 and up.