Ever wondered how a two sound rocket firecracker is made? 🎆 In this video, you’ll see the complete process — from preparing the rocket body to filling, assembling, and testing. These rockets produce two distinct sounds when fired, making them a popular choice during festivals and celebrations. 👉 Watch and enjoy the art of fireworks manufacturing and the skill behind each rocket! #amazing #crackersshopinsivakasi #experiment | Inside Factory