Hwatu is the most famous playing card set in Korea and Japan. We can often see that people play Hwatu with their family on Korean Holiday. But there is a prejudice that Hwatu is only for adults. And there was only one style of Hwatuunlike trump cards.
Kinetic Rings Mimic the Flight of Birds. Kansas-based metalsmith and jeweler Dukno Yoon creates rings, bracelets, and other devices that mimic the movements of birds by harnessing the motion caused by the flick of the wrist or flexing of fingers.