One Bad Mother Firework – 500g Cake?. One Bad Mother firework features a huge sixteen shot gold willow multi-blooming crackling flowers with a quickened huge 3 shot finale make this America’s number one selling 500 gm cake. Each shot goes up approximately 150-200 feet and breaks 100-150 feet wide. The One Bad Mother Firework has one of the most recognizable labels in the industry. This cake will continue to be the best in its class based on performance, quality and label.