4PCS Invisible Ink Spy Pen Built In UV Light Magic Marker Secret Message Gadget Pen (Random color)

Invisible Ink Pen: Harmless and flavorless ink pens are healthy toys for your children. It can leave smooth and colorful disappearing inks marks on T-Shirts, paper, skin, and any surface, permanent but washable. With UV Light: The invisible magic ink pen enables you to write a secret message which is invisible after you write with it unless you light on the UV light to see the secret message perfectly. Besides, the dazzling pen with UV light also can be a money checker in daily life.

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Write Your Secret Message: This magical invisible ink pen will write your secret message. Once your secret message has been written with this

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