Specification :

*Spy pen*

*Invisible pen, the message will show only under the UV light.

*UV Pen has a UV marker on one end and a UV light on the other end which works with small watch batteries. Easy and simple to use.

*Kids can use the invisible ink Secret Message Writer and UV Reader Light to keep secret records on secret diary.The invisible ink pen can also be used by grown up spies to label their personal property so that it can be identified and recovered in the event of theft.