Just add water and watch the water marbles grow over 3 to 4 hours.
Water Marbles are biodegradable and contain approximately 13g of Water Marbles per bottle. These Water Marbles are packed right here in Australia.
Please note that this contains small parts and therefore, should be kept out of the reach of children under 4. The marbles present a choking hazard and should not be consumed. Please supervise use at all times.