Super-Absorbent Polymer Jumbo Water Beads will soak up 100x their own weight in water so one 20g pack will fill a 1 litre bowl! They can last up to 2 years as a table decoration if you look after them with a fortnightly wash and soak.
Jumbo beads are also available in Green, Purple, Rainbow and Red with prices as low as $1.40 per packet.
Please note Jumbo Water Beads are not to be sold as a children's toy. Any use by children under 3 is prohibited and use by under 6 is under strict adult supervision. Do not ingest. Choking and blockage hazard if consumed in the pre-expanded state.