That bad boy pictured above is the Yonshakudama (Four Shaku Ball) and it claims to be largest single firework in the world. At a pot-smoker pleasing weight of 420kg (926lbs) and with a diameter of 1.2m (4 feet), most people tend to take the maker’s word for it.
Fireworks of this immense size are launched during a show at the Katakai Festival in Ojiya, Niigata Prefecture and are said to have a beautiful blast radius of 800m (2,625 feet). But enough talk. Let’s kick the tires and light some fires watching them in action thanks to a video uploaded to YouTube by Temple Fireworks.
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