Kosmos The Three??? Cipher

Attention, strictly confidential. Here you will find important information and evidence that must not fall into the wrong hands. Children aged 8 and up will find all the essential materials in this detective game to securely send their secret notes and letters. With a magic pen that uses invisible ink, they write their messages on the pad. A second pen is used to decode them. Want your own secret ink? The colorful instructions explain how to create secret inks from milk, lemon, apple, and even onion juice. This set is an essential part of any detective gear and a highlight at the next children's birthday party.