This item is discontinued and no longer availableColour Change Gelli Baff is a totally unique, fun, bathtime product that lets you turn water into a colourful goo! By adding Gelli Baff powder to water, you create a thick, colourful goo! By simply adding a second �'dissolver�' powder, the goo changes to a second coloured water to be drained away safely and easily. The information provided here is as complete and accurate as possible; however, product names, colours and/or materials are subject to change without notice.