The multi functional device âJumbo Jumping Jetâ creates 14-20mm in diameter and up to 6m distance shooting laminar effect arches. With the millions of RGB color combinations, it can turn your fountain into a flying rainbow, a falling star, or endless other variations of water art. Glowing in the dark with color, this arching water can be set to be cut in different lengths. The programming variations of illumination, jet cutting and âfalling starâ effect is endless.