Reveal a rainbow of colors on every page with Bendon's Blue's Clues and You 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 characters, and you'll love the magic of mess-free coloring! Includes a 16-page Magic Ink Coloring Book and 1 Mess-Free Imagine Ink marker. Our Imagine Ink markers are non-toxic and invisible on most household surfaces. This is an official Nickelodeon licensed product, accept no substitutions! Ideal for children ages 3 and up.