IAC 2025 Space Day powered by LEGO® Play

A free day (as part of the International Astronautical Congress (IAC)), packed with space experiences, hands-on activities, and real astronauts. Whether you’re into building, exploring, discovering or just having fun, there’s something here for every kind of curious mind.

What's on:

• HUMANS Deep Space Message (record a message for a 2027 deep space broadcast)
• Meet Roo-Ver
• Mobile Mission Operations Centre by CSIRO
• University Rovers and Rockets Display
• Next Generation STEM Activities and Experiments
• STEM-Guided Missions
• Mars Rover Scramble on Simulated Martian Terrain
• Louise Whelan's Women in Space Exhibition
• Send your Face to the Moon
• VR Space Simulations
• Moon Futures (hear space leaders talk about humanity's future on the moon)
• Astronaut Signing
• Astrosite by University of Western Sydney

Want more? See what else is happening in Darling Harbour.