Came across this in an email:
Member + One unlocks the following benefits:
Great savings across the year
Flexible free entry for two adults. Member + One gives you the option to share your visit with one extra adult every time - perfect to bring along grandparents, friends or partners
Free entry for up to four children (15 years or younger)
Unlimited entry to our 12 houses, museums and gardens, and exhibitions including On the Move and Rouse Hill House & Farm LEGO® Bricks – visit as many times as you like throughout the year!
Member discounts on an exciting range of year-long events, including school holiday programs, plus exclusive member events
Family-friendly tours across our museums and properties during the school holidays
Free entry to the Museum Discovery Centre at Castle Hill where you can discover a treasure trove of objects from Museum of Applied Arts & Sciences, Australian Museum and Sydney Living Museums
10% discount across our cafés and retail stores.
Thanks