Happy Day is a cube-shaped fireworks cake from Sivakasi, Tamil Nadu, listed under the two catalogue codes 683 & 751. A cake is a multi-shot aerial firework box lit from a single fuse that fires its shots one after another. The cube has purple sides and a pink top, with cheerful clown-face artwork framed by firework bursts and the name HAPPY DAY printed in yellow letters running down one side. Catalogue code: 683 & 751