Pssst…puzzle fans will love this unique collection of secret codes, invisible ink puzzles and more! Secret Puzzle Fun is packed with more than 28 puzzles and games, including Hidden Pictures puzzles, codes puzzles, mazes, criss crosses and riddles. It comes with red decoder glasses and a UV light invisible ink pen that makes solving puzzles even more exciting for kids ages 6 and up.

ISBN 9781644729250
Ages 6-9