Introducing the Portable Joy Tang San Cai Fidget Slider — an everyday carry (EDC) stress relief toy that merges ancient Chinese Tang San Cai (Tang Dynasty tri - colored glaze art) with modern tactile design. Crafted via handmade foil - burning magic: layers of pure silver foil, high - temperature color firing, texture drawing, and crystal sealing create unique, museum - like patterns inspired by Tang Dynasty pottery’s iconic cyan, orange, silver, and soft gold hues.