How to make invisible ink marked domino
If you have used invisible ink to mark playing cards or domino by yourself, you must have known that marked cards ink and domino ink are different in composition and proportion, although they are in a same price. At terms of color, marked cards ink is red while domino ink is blue.
You can also use invisible ink pen to marked domino. Using invisible ink pen to write marks on domino just like using pen to write down words on paper, it is really easy. When the ink get dried, you can not see it with naked eyes any more.
Invisible ink printer for domino is also a good way to make invisible marks. The marks are better than those marks made by hand, but all of these invisible ink dominoes are read by luminous contact lenses and infrared sunglasses. If you want to see the difference between them, please contact us for picture.