Questacon - The National Science and Technology Centre
Located in National Triangle, minutes from the city and other major attractions. Australia's largest interactive science centre with over 200 hands-on exhibits. Specifically catering for families and offers good value for money. Spend a couple of hours or an entire day. Free parking.
6 large galleries with themed exhibitions that are constantly changing to keep up-to-date with current topics. All exhibits are hands-on and have a strong educational focus.