OH! Kolkata! is a Sivakasi-made fireworks cake, catalogue code 728, whose box carries the line 500 SECONDS beneath the name. A cake is a multi-shot aerial firework box that is lit once from a single fuse and fires its shots one after another. The box artwork shows three dancers in classical Indian dance costume against a yellow sky of firework bursts, with OH! KOLKATA! printed in large white letters across the top of the front panel. Catalogue code: 728