PLATYPUS SPORTING GOODS ( DAVE BROWN ) PTY LTD. A.C.N. 004 705 300 A.B.N. 76004705 300 Platypus - The Cricketer's Ball Welcome to the Home Page of Platypus Sporting Goods. We are proud to be the FIRST manufacturer of Australian Made Cricketballs on the Internet. Platypus Sporting Goods is a 100% family owned and operated company, right here in Melbourne, Australia. Eric Daniel Brown, aged 15 ...