Just add water to create your very own bowl of colourful goo! Sprinkle Gelli Play over water and watch it magically turn into colourful goo right before your eyes. When the fun is done, add more water to dilute the Gelli and then flush down the toilet. Makes up to 10 litres of Gelli! Gelli Play is perfect product for messy and multi-sensory play! Skin Safe - Drain Safe - Easy Clean - Stain Free Our powder is certified biodegradable! The information provided here is as complete and accurate as possible; however, product names, colours and/or materials are subject to change without notice.