The sparklers firework display is known to be a practical solution when performed safely and accurately .Aside from the fact that these amusing things are risk-free, they are designed to be soundless. Your children are supposed to be entertained, not scared. The 15cm Red Sparklers consists of 10pieces in a box. The function of this sparklers is Electrical Red Sparks when they burnt out. For better result use it at night time. To make it light easier then use Twinkling star and Pencils. Use only under close adult supervision. To avoid burns and other accidents, we do recommend to light the sparklers outdoors at a considerable distance from the audience (at least 1 m).