My Gym Hornsby Children's Fitness Centre

My Gym Hornsby transforms a private studio in Westfield into a gymnastics playground packed with bars, beams, trampolines and the crowd-favourite Space Flight zip-line. Two qualified coaches lead action-packed games, music and age-tailored circuits that turn the birthday child into a superstar while parents watch from comfy sidelines.

Packages start at $529 for the Grand Party (up to 10 children) and scale to Premier ($699, 15 kids) and Deluxe ($899, 20 kids). Every tier grants exclusive use of the gym for 90 minutes, themed balloon décor (11 choices), goodie bags, set-up and clean-up, a special My Gym gift and free cake-cutting service. Families supply their own food and drinks, keeping menus flexible and costs predictable; extra children are $40 each, an additional 30 minutes is $150 and a third coach can be added for $90. A non-refundable $150 deposit locks in the date, and parties can be customised with favourite songs, games or decorations dropped off the day before.