4 Star Dragon Ball

Dragon Balls are the namesake artifact of the Dragon Ball series. They are large, crystalline spheres (of varying sizes and colors) that feature five-pointed stars (ranging from one to seven, and also varying in sizes and colors, along with being either rigid or flat in appearance) inside of themselves; individually, they have no powers, but united they have the ability to call forth their associated Eternal Dragon who can grant (usually) one wish(s)