Smoke bomb
Overview
 
A smoke bomb is a firework designed to produce smoke
Smoke
Smoke is a collection of airborne solid and liquid particulates and gases emitted when a material undergoes combustion or pyrolysis, together with the quantity of air that is entrained or otherwise mixed into the mass. It is commonly an unwanted by-product of fires , but may also be used for pest...

 upon ignition. Smoke bombs are useful to military units, airsoft
Airsoft
Airsoft is a sport in which participants shoot round non-metallic pellets launched via replica firearms.Gameplay varies in style and composition but often range from short-term skirmishes, organized scenarios, military simulations, historical reenactments, to competition target shooting events...

 games, paintball
Paintball
Paintball is a sport in which players compete, in teams or individually, to eliminate opponents by tagging them with capsules containing water soluble dye and gelatin shell outside propelled from a device called a paintball marker . Paintballs have a non-toxic, biodegradable, water soluble...

 games, self defense and pranks. While there are smoke-generating devices that are dropped from airplanes, the term "smoke bomb" is used to describe the three types of devices:
  1. A smoke ball is a hollow, cherry-sized sphere of brightly colored clay or cardboard filled with a smoke-generating composition that produces a forceful jet of colored smoke for 10 to 15 seconds.
 
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