small Electrical Control System hand-held firework.it is a kind of high level security cold firework products.suitable for various occasions to use,suitable for use in weddingTool Packaging ,birthday ,party,carrying a cake Industrial Customized Service cold fireworks,birthday party atEngine & Part ordinary times is the best economical type of rendering the scene atmosphere,wtite light.method of use:left hand fireworks,right hand lighters,direct point flat paper break a little bit,the effect is Meter for Liquid & Gas much better.although cake fireworks are safe to use,they will still produce certain ashes after burning.my personal suggestion is that after setting off,the cake should not be separated from the cake before setting off!