IMPORTANT - EBOOK edition of this book is an ART BOOK and not used for coloring on the device. The eBook is a preview providing useful content on the benefits of coloring for both children and adults, also showing the brilliant designs available in the physical copy of the book. A BONUS link in the book lets you download books with high quality coloring book PDF pages with dozens of illustrations that readers can PRINT. The download is optional, it is not the main function or purpose of this ebook - PRINT REPLICA. These Spirograph images are out to capture your attention and creativity, too! There is no written rule when filling them up with colors. All you need to do is trust your instincts and your knowledge of colors. You can mix and match colors that you're already confident in, or you can venture into a different world through experimentation. Your imagination is your only limit. Start your experiments today!