There is a payload delivery device and system configured for projectile dispersion over a defined area. The device includes a launching platform configured to provide structural support. The device also includes a two-dimensional array of launching guides extending upwardly from the launching platform. Each launching guide of the array is fixed at a specific inclination angle and at a specific horizontal direction angle. The device includes a plurality of vessels functionally connected to the array of launching guides and is configured to launch therefrom. The launching platform includes a symbolic indicator associated with an operational characteristic of the device. The launching platform includes a mating structure configured to mate to another similar launching platform.