Bath bomb moulds are an essential tool for anyone who wants to make their own bombs for fragrant, relaxing baths. In this category you'll find moulds of various shapes and sizes to help you create the perfect fizzy bath bombs to your own design – whether you're after classic round moulds or original shapes. Besides moulds, you'll also need ingredients for making bath bombs, such as baking soda or white clay, special dyes and fragrance essences. You'll find a detailed guide to making a bath bomb here, and we've written up more information — not just on the basic ingredients but also further tips — in this article on fizzy bath bombs.