Effect details:purple star and green strobe mine. This cake's duration is shot. It鈥檚 slow at beginning, and turn fast in the end. It suits for big fireworks show. Product Specification: Item Name300's fan shape purple star and green strobe mine BrandDancing Fireworks/Customerized Shots300 shotsTypeBattery of shot tube Tube size (ID)20mm (0.8")CategoryF4 Shapefan shapeMaterialPaper tubes Product Details: see picturesChina Display Cake suppliers website:http://www.dancing-fireworks.com/display-cake/