DLUCKY Invisible Ink Pen,Spy Pen Invisible Disappearing Ink Pen with Black Light Magic Marker for Secret Message and Kids Party Christmas Halloween Easter Goodies Bags Toy 7Pcs

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About DLUCKY Invisible Ink Pen,Spy Pen Invisible

HOW ARE THESE MADE? The caps each have a light in them with a paper tab to remove when it is time to use one. The top has a little light in it that if you press a button on the side, the light goes on. The pen itself is white like a marker type. HOW DO THESE WORK? The pens write clear- almost a tiny tinge of green like glow in the dark paint tends to be. It allows you to see a little of what you are writing. When you turn the cap on- the writing lights up and it is very easy to read. DO THESE WORK UNDER BLACKLIGHT? Yes, if you were to decorate something that you plan to have in a blacklight room (halloween, lessons, parties, etc), the writing will show up when the blacklights come on. It would be great for a mystery theater too. HOW POPULAR WERE THESE? The kids LOVE these. It keeps them busy for a little while anyway. They also made a nice prize for games. THE BOTTOM LINE A great item to have on hand for a variety of reasons- from kids and parties, to mystery theaters, these markers are delightful. I love the colors they come in too- the writing is all the same, just the outside is different.