Brillant gadget for kids or adults and can work in many ways, a great stockings filler or gift
This is a great little gadget with a multitude of uses, it uses invisble ink which is only viewable under Ultra Violet light. The pen top/lid contain such a UV light and comes complete with batteries ready for use.
Ebay sellers you can mark your goods and ensure you dont someone elses kit back, you can secretly mark bank notes, mark property etc.
This is lightweight and portable you can carry it around with you anywhere and use the UV light to check for counterfeit banknotes, at the end of the day this is also a fun item for kids, they love em and have fun writing secret messages and the like.
it can brings you an amazing Secret messages,Emegency flashlight,Security marking and so on
Write secret messages, spy, with this invisible ink pen, and then reveal them with the black light cap! Keep a secret diary, pass what seem like blank notes, or mark your personal property with an invisible marking to prove they are yours!With this incredible pen, write with invisible ink and use the special, attached ultraviolet light at the other end to read the message.
Batteries included and can be replaceable.
Counterfeit detector can reveal water marks
3 Lithium Batteries (AG-10) (Included)
