Screenprinting with hydrochromic ink
Screenprinting with hydrochromic ink
Drying the ink between printing layers
Drying the ink between printing layers
Pre-printed card with dry hydrochromic ink
Pre-printed card with dry hydrochromic ink
Spraying the card with water
Spraying the card with water
Message starts to reveal
Message starts to reveal
Card is fully sprayed to reveal message underneath the ink
Card is fully sprayed to reveal message underneath the ink
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