Amusement Park NSW. Theme Park NSW. Forster Fun Park. Open 7 days on School Holidays & Public Holidays (Excl Xmas Day). Established in 1984, The Big Buzz Fun Park is a The Big Buzz Fun Park is family-owned and operated amusement park on the Mid North Coast, NSW. Over the decades, we’ve taken our park from strength to strength—investing in exciting rides and activities, expanding the water park and providing an unforgettable day out for families. Whether you’re planning a party or simply catching up with friends and family, make us your venue of choice. We’re open weekends, public holidays and every day of the school holidays. Take advantage of our kiosk and other facilities today.