IMPORTANT - KINDLE & EBOOK edition of this coloring book is an ART BOOK and is NOT intended to be used as an APPLICATION that is capable of coloring on any device. THIS BOOK IS A PREVIEW – The sole purpose of this preview is to show the designs that are available in the physical copy of the book. Superheroes need help tool; and in this case, they need you to color them complete. Coloring a brain-boosting activity that is perfect for the young and the old. It encourage hand and eye coordination, as well as the improvement of your motor skills. It also helps improve vocabulary as you learn to associate new words with new objects. Grab a copy of this wonderful coloring book today!