Get your kiddo on the case by having them color in the pages within this undercover art activity kit. Each dinosaur has something to hide and only a marker can reveal their secrets! With each stroke, the pages will reveal patterns hidden in the design, turning an ordinary coloring activity into a super fun mystery-solving enterprise. Twelve dino-tastic designs are included, ensuring this activity for kids will keep your little one delightedly busy! This is a wonderful set to bring along with you on busy afternoons. Hidden reveal pattern activity kit Kit includes 12 unique dinosaur-themed designs Each page has hidden patterns only a marker can reveal Easy for taking along on trips Non-toxic Suitable for ages 6 and up