Originally used to drive away evil spirits (like the mythical monster Nian ), they became essential for celebrations like the Lunar New Year.
Multiple layers of stiff paper (often red) rolled into a tight tube.
In the standard hierarchy, Pyro Crackers are smaller than "A-Böller," "B-Böller," "D-Böller," and the massive "Super-Böller". China BГ¶ller Pyro Cracker
The "Pyro Cracker" is the smallest common size in the China-Böller family.
Modern regulations strictly limit the explosive content (often 50mg to 130mg depending on local laws) to ensure they are safe for consumer use while still being effective. History of Fireworks - American Pyrotechnics Association Originally used to drive away evil spirits (like
Because of their smaller powder weight, they produce a sharper, higher-pitched "crack" compared to the deep, bassy "thud" of larger D-Böllers. Modern Classifications and Safety
A gray "Chinese Fuse" is the classic ignition method, though modern variants may use more consistent visco fuses. The "Pyro Cracker" is the smallest common size
In Europe, these usually fall under Category F2 (adult fireworks with a safety distance of at least 8 meters). Specialized versions, like those from manufacturers like Funke Fireworks , may be categorized as P1 sound generators , requiring a 20-meter safety distance due to higher pressure effects.