Mermaid Adventure Scratch and Sketch™ Trace-Along Activity Book. An Art Activity Book for Artistic Mermaids of All Ages. Help the mermaid princess find her lost treasure. It's a real Mermaid Adventure as she races to get back to her castle in time for her royal birthday ball! Trace the white picture outlines and reveal the gold, silver, and rainbow-swirl undersea world 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. Non-toxic. Potential eye irritant. Avoid inhaling particles of scratch coating.