ThermoChrome Playing Cards
Modern Awesome Labs’ unique playing cards are printed with a special ink that reacts to body heat. Simply swipe your fingertips over the surface of the cards, and the images on their fronts transform to new shades. After you put them down, they reset to their original color after about 30 seconds.
Crowdfunded projects pose a degree of risk for buyers, so be sure to do your research and fully read the seller's detailed description and production plans before plunking down your hard-earned money.
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