# Cake (firework)

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A **cake firework**, also known as a **multiple tube device**, is a [firework](/source/Fireworks) comprising a series of [Roman candles](/source/Roman_candle_(firework)), small aerial shells, or a combination of both, connected together by a high-speed fuse.[1] Typically, the internal fusing is set to fire each tube in series, or to fire several tubes at the same time, or a combination of these. Typically a cake will resemble from the outside a simple cube or other rectangular covered shape; after firing, a large number of cardboard tubes (the candles) will be visible in the top of the firework (the paper cover having been blown off by the discharging [stars](/source/Pyrotechnic_star)). In a traditional cake, all the candles point upwards; a variant is called the *fan* or *angle* cake.

Cakes are one of the most popular types of firework, as they can create spectacular and long-lasting effects from a single ignition while minimising safety concern. In the [UK](/source/United_Kingdom), the reclassification of [aerial shells](/source/Shell_(projectile)) to [Category 4](/source/British_firework_classification) has popularised cakes as a method for achieving similar effects while staying within safety guidelines, particularly by firing multiple candles at the same time.

Cakes vary greatly in size, weight and duration. Some last only a few seconds and contain only a few tubes, while others may last for several minutes, contain upwards of 1,000 tubes, and measure over 1 cubic yard (760 L) in size. Large "finale Cakes" containing dozens of shells up to 4 inches (10 cm)-diameter are not uncommon, and some cakes, particularly those containing large amounts of [dragon's eggs](/source/Dragon's_eggs), can weigh over 100 pounds (45 kg) prior to discharge.

## References

1. Kosanke, Kenneth L. & B. J. Kosanke (1995). [*The Illustrated Dictionary of Pyrotechnics*](https://books.google.com/books?id=e7XjCvof60QC&dq=pyrotechnics+cake&pg=PA83). Journal of Pyrotechnics. p. 83. ISBN 978-1-889526-01-0.

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Adapted from the Wikipedia article [Cake (firework)](https://en.wikipedia.org/wiki/Cake_(firework)) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Cake_(firework)?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.