Gelli Baff is a totally unique, fun, bath time or sensory play 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. Add a second 'dissolver' powder, to turn the goo back to water! Available in Swamp Green, Lava Blast Red, Lagoon Blue and Princess Pink. Suitable from 3yrs+.