Use the "magic" no-mess pen to color in a picture, and see vibrant colors, details, and patterns appear! Each page of the 24-page activity book for kids three and older features exciting animal-themed artwork to complete and seek-and-find activites, too. The invisible ink marker only marks on the pages (not clothing or furniture!) and stores in the cover, so it’s a great travel activity. This product is certified by the Forest Stewardship Council. FSC certification ensures that products come from responsibly managed forests that provide environmental, social, and economic benefits, and that forests are protected for future generations. Please note that FSC certification applies to new inventory only (FSC C156584).