Bundle: 2 Items- Undercover Spy Gear Color Code Message + Invisible Pen & Decoder Pad Kit Crime Detective Fun Pack Bundle: 2 Items- Undercover Spy Gear Color Code Message + Invisible Pen & Decoder Pad Kit Crime Detector Fun Pack; Comes with Free How to Live Stress Free Ebook Only you and your firends will be able to read your secret messages with the invisible pen and decoder pad Hide messages within a sentence with the color code message kit Everything you need to talk to your friends without worrying about the enemy intercepting your private notes Great for kids ages 7 and up