The Pigpen Cipher Puzzles: Fun code breaking puzzles for Adults and Teens. Motivational and funny phrases to decode,over 50 entertaining coded puzzles to decipher. 6"x9" soft cover book

It’s definitely for kids. If you have any experience with cryptography then it’s ridiculously easy and no fun. My 9 year old enjoyed it though.

Love it!!!! Great tool to learn a different way to write!!!