6 Mar 2015 ACCC warns of dangers of water expanding balls to kids The Australian Competition and Consumer Commission is alerting consumers to the dangers of water expanding balls after several children ingested them in Australia and required hospital treatment to have them removed. 6 Mar 2015 WA: Water absorbing balls and expanding toys raise safety concerns Consumer Protection is concerned that water absorbing polymer balls, toys and novelty items are posing a serious risk for young children.