Double Six Invisible Ink Marked Dominoes For UV Sunglasses Contact lens

Double Six Invisible Ink Marked Dominoes For UV Sunglasses Contact lens

Domino is popular cards game all over the world. A domino set is a generic gaming device, similar to playing cards or dice, in that a variety of games can be played with a set.

Do you believe that the backs of the dominoes in a set are really indistinguishable?

From the surface, and from the point view of the naked eyes, the answer is yes, those domino are distinguishable. Because each piece of the whole set is same from the backside.

If you wear the invisible ink contact lenses? What would happen to a set of Domino 28 bricks?

Yes, you may see something different, with our sophisticated experience on the infrared ink printing skills, we can imprint the mixture infrared ink powder on the back of the bricks, we can mark it with different numbers or with the dots the same as front side shown. And by naked eyes, nothing can be read. Only if you wear the special lens or the luminous sunglasses, the wonderful magic juice mark can be shown under your eyes.

Why we can make the mark only for the cheating contact lenses to detect? We have to credit it to our technician's high level marking skills with his the proportion invisible ink recipe. Only this way make sure only the lens can read the marks but not naked eyes.

And the the custom made ink printer also speed the juice ink marking process, that assure we send the cheating marked Domino bricks package in time.