UV perspective glasses|invisible ink|marked


It is Perspective glasses -------- It need to work with marked cards,then you can know what the special it is.

A Function:There is a special glasses,that can help user see which card it is ,even though the card is back to the user.
B Size:As the normal sunglasses, you can see in the market.But it is made of our special material.
C Advantage:1.Easy to take.
2.Can see any card which are marked.
3.Only the user know waht happen with the game.

Product Detail:

It is very easy to use ,the user just wear this perspective glasses ,then put the cards where you want , you can see and know which card it is.