Termosensible game cards
Thermosensitive inks allow a certain area of the card to reveal a "hidden prize" when undergoing certain conditions, such as (heat, cold, humidity, pressure or sunlight). This kind of product allows interaction with the companies product itself, for example a card sensitive to cold combined with a cold drink so that the card can be sunk in it.
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"Chill and Win" Card  |
"Heat and Win" Card  |
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"Dip and Win" Card  |
"Cook (microwave) and Win" Card  |