Dino Dudes Scratch and Sketch™ Trace-Along Activity Book for Fossil Hunters of All Ages. Dig up fun facts about these Dino Dudes as you trace simple sketches prehistoric creatures. 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. Not for children under 5 years. Meets all applicable safety standards.