Catherine wheel (firework)
The Catherine wheel or pinwheel is a type of firework consisting of a powder-filled spiral tube, or an angled rocket mounted with a pin through its center. When ignited, it rotates quickly, producing a display of sparks and coloured flame.
The largest Catherine wheel ever made was designed by the Lily Fireworks Factory of Mqabba, Malta. The Catherine wheel had a diameter of 32.044 m (105 ft 1.6 in), and was lit on 18 June 2011, the eve of the annual feast of Our Lady of the Lilies.
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