how to win in domino: invisible ink mark domino for contact lens cheat in domino games

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We printed invisible ink on the back of the domino. The appearance of invisible ink mark domino is the same as that of ordinary domino, but when you wear our special contact lens or sunglasses, you can read the invisible ink mark on the back of domino.

 this is a special domino made by us. we printed invisible ink on the back of the domino.
The appearance of invisible ink mark domino is the same as that of ordinary domino, but when you wear our special contact lens or  sunglasses, you can read the invisible ink mark on the back of domino. Players all over the world use the marked domino in magic shows, domino games
 
We can customize the mark according to your needs, if you want to win money on the domino, or magic show, you can try to use the marked domino and contact lens. If you want to make the game fun and exciting, use ordinary dominoes, because the future is unknown to make life more interesting. This product can help you improve your game skills, because wearing contact lenses or sunglasses, you can know the value of domino through the back
 
 
Invisible ink has the invisible effect and can only be seen through special glasses, so it is very popular among players.
 
The visible light spectrum is the segment of the electromagnetic spectrum that the human eye can view. More simply, this range of wavelengths is called visible light, the human eye can detect wavelengths from 380 to 700 nanometers., We can only see a small portion of this visible light. In order to make the invisible ink mark card undetected by others, various types of invisible ink have been made by using this principle. 
 
How to see invisible ink
The red filter can filter white light, so through the red filter you can see the invisible ink on the back

1、 Odorless, tasteless and nontoxic;
 
2、 The surface of products is hard, glossy and scratch resistant;
 
3、 Its products are self extinguishing, fireproof, impact resistant and crack resistant;
 
4、 The product has good high temperature, high humidity stability, solvent resistance and alkali resistance

 

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