Invisible Ink

This Spy Kit contains the following cool products that your child will need in order to become the next James Bond. Includes 1)An Invisible Ink Marking Pen: when your secret messages, codes, diagrams, etc. are written with this pen they will be invisible to the naked eye. 2)...

With the 007 Spy Pen you won't risk having your secret messages fall into the wrong hands! Your message will be invisible to the naked eye but can be clearly seen using the included ultraviolet light. You simply write your message (which will be invisible) with the writing end...