To provide a firework which enables increase in the number of fireworks used in a type of a composite structure having a plurality of bar-shaped fireworks assembled and furthermore, realizes various ways of enjoyment along with convenience to handle.

A link member 3 is inserted into a hole 2 bored at each one end of fine strip-shaped sheet-like base bodies 1 to link the individual base bodies so that they mutually rotate while bar-shaped fireworks 4 are separately fixed at other end parts of the individual base bodies. A string 5 is fastened at an immediate part of each base body to regulate a separation distance between the base bodies when each base body is expanded centered on the link member. Moreover, the tips of the individual bar-shaped fireworks are bound by a combustible adhesive means 6 such as an adhesive tape.