Mr Mystery Invisible Ink Book
Each Book is shrink wrapped with a special pen. Size: 6" x 11"
- Be a super detective! Use your special pen to uncover the truth and solve the mysteries.
- Here are just some of the games you will find inside this book, decode the cryptograms, decipher Krazygrams, and nab the crook in a jailbreak.
- Book Includes: special pen and 48 pages of fun
- Book Size: 6" x 11"
- Ages 8+