The Melissa Doug On-The-Go ColorBlast Animals No-Mess Coloring Pad is a perfect activity for quiet time or travel for little ones. This color-reveal coloring book promotes creativity and features 24 pages of activities and scenes with animal themes. The included invisible-ink marker only marks on the pages, not clothing or furniture, so theres no mess or bleed-through. The Melissa Doug On-The-Go ColorBlast Animals No-Mess Coloring Pad comes with an oversized marker that stores inside the pad. Ages 3+. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Indoor Games.