192 RULED PAGES: Whether you aspire to be the next great paleontologist, need a place to record your own discoveries, or want a private place to keep your personal thoughts and secrets secure, this lock and key diary provides you plenty of space for your writing needs. FIND DINOS HIDDEN WITH INVISIBLE INK!: Find eight different dinosaurs like T-Rex, Stegosaurus, and Ankylosaurus hidden throughout the pages of the diary in invisible ink. As you use the diary, keep an eye out for the dinosaur sighting mark!MAGIC PEN INCLUDED: Use the included magic UV light pen to reveal these amazing dinosaurs, their tracks, and more! LEARN DINO FACTS: An educational dinosaur sighting map of where these dinosaurs appeared in the United States is also included. UNDER LOCK & KEY: Keep your thoughts and secrets secure with this locked diary featuring two keys. Guaranteed to keep dinosaurs (and parents) out!CONVENIENT SIZE: This 5.25 x 6.5-inch journal is a compact size for travel and fits easily in a bag or backpack to take with you on the go. COLLECT THEM ALL: Collect more great stationery products inspired by Jurassic World, including the Jurassic World Enamel Charm Bookmark and Jurassic World: Raptor Book and 3D Wood Model. Jurassic World products from Insight Editions makes a thoughtful gift for any Jurassic World or dinosaur fan.