There are four basic ingredients essential for a good firework display:-
Shape
Movement
Colour
Sound
All four of these combined skilfully will give the best and most cost effective display.

Very useful in creating continuity – there’s nothing worse than a gap or a pause during a busy display, even for just a few seconds. We use small calibre Roman candles in “bouquets” or fans, fused to fire together, creating a wide, solid curtain of colour and movement, up to 100 feet high.

By careful time fusing, as one set of candles ends another starts – hopefully without a gap!