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 safely send their secret notes and letters. With a magic pen that uses invisible ink, they write their message on the pad. It can be decoded with a second pen. Want to create your own invisible ink? The colorful instructions explain how to make secret inks from milk, lemon, apple, and even onion juice. This set is an essential part of any detective kit and a highlight at the next children's birthday party.