A hive itself is made of a wooden frame covered with steel netting. Thousands of rockets peek out radially through the net, their fuses connected inside to a master fuse which spirals up from the bottom, igniting layer after layer of rockets, each layer shooting out more rapidly than the one before.
過去是把砲釘在木架上，現在則多在模型上纏繞兩層鐵絲網，沖天砲一支支夾在緊密的二層鐵網間，構成一幅整齊、美麗的圖案。