500 Gram Sprinkler Cakes - These 500 gram fireworks are a breed of their own. They are mush faster shooting than their other 500 gram counterparts. A sprinkler is exactly what you think it is. It is a fast moving shot that goes from left to right in most cases, just like your lawn sprinkler. They have many different effects and types of shots. These fireworks effects range from small roman candle balls to mines to shells. 500 gram sprinker cakes are the fastest and most exciting fireworks on the market today.