Zimpli kidsGelli Baff is a totally unique, fun, bath time product that lets you turn water into goo and back again! By adding Gelli Baff powder to water, you create a thick colourful goo. By simply adding a second ‘dissolver’ powder, the goo turns back to coloured water that can be drained away safely and easily. Our powder is certified biodegradable! Non irritant and stain free.100% Safe bathtime fun!3+ years