A charge of Black Powder (typically a mixture of potassium nitrate, sulfur, and charcoal).
A "China Böller" is a simple but effective pyrotechnic device:
The and its Pyro Cracker variant represent a specialized category of traditional Chinese-style firecrackers popular in European markets, particularly in Germany . Defined by their cylindrical shape, red paper wrapping, and distinctive "bang," these items have a rich history rooted in ancient Chinese traditions and modern regulatory standards. Historical Background
A gray "Chinese Fuse" is the classic ignition method, though modern variants may use more consistent visco fuses.
Multiple layers of stiff paper (often red) rolled into a tight tube.
The concept of the "China-Böller" (Chinese firecracker) traces back to the invention of gunpowder in China during the Song Dynasty (960–1279 AD). Early "natural" firecrackers were simply bamboo stalks ( baozhu ) that exploded when heated.
