Cake (firework) been blown off by the discharging stars). 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, the reclassification of aerial shells to Category 4 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
Spit cake when cut is shown to consist of rings – hence another name, "tree cake". Alternatively, the dough is wrapped around the spit as spiral threads. In some varieties of the cake, while they maintain the shape of the spit cake, the rings are actually baked separately and attached to each other with icing. Some spit cakes have a smooth surface. Others, like "spettekaka" and "šakotis", have an irregular shape. Variations on the basic process are found in many cultures; what they have in common is that the laborious and time-consuming process produces a cake suitable for special occasions, such as