Unicorn Adventure Scratch and Sketch™ Trace-Along Activity Book. An Art Activity Book for Adventurous Artists of All Ages. Join a little girl named Polly on a magical journey with a unicorn enchanted castle! Use your stylus pen to uncover sparkly silver, gold, and rainbow colors as you draw. Just trace the unicorn, his friends and castle, and all the wonders along the way to uncover the secret colors beneath the black-coated pages. White outlines on black scratch-off pages create a fun way for younger children (Ages 5 and up) to trace illustrations, revealing magnificent colors beneath. 64 pages; Wire-o bound hardcover; 6-3/8" wide x 8-1/2" high; 20 scratch-off, 20 illustrated, 20 sketch pages; Shrink-wrapped with a wooden stylus.