64 page book jam-packed with hidden messages, secret codes, games, jokes, and more.
This hardback cover book is here to get your creativity going for endless hours of entertainment. Included with the book is a UV light pen to see invisible words and pictures you can't see with the naked eye. The activities are unpredictable and new! Create your own comic book, lead your submarine expedition to the deepest part of the ocean, name and draw your own planet. Use your UV light pen to help you crack assorted codes. Do you have what it takes to be a super-secret spy?