How to mark dominoes tiles
When it comes to domino games, we have luminous ink marked dominoes for sale.
We can use luminous ink to mark Domino tiles on one, two or three sides. There is no difference in appearance between the luminous marked domino tiles and the regular domino tiles to human naked eyes. But you can use infrared contact lenses to see through its invisible markings. You can read its fluorescent marks of marking domino, just you can see the luminous ink marks on the back of marking playing cards.
The other important thing is that the marked domino tiles are not sticky with the luminous ink markings on their backs, giving you the original hand feel.