Sea Urchin Science Centre

Last updated February 2026

Dive into the fascinating world of marine life at the Sea Urchin Science Centre in Kurrajong, Sydney. This interactive indoor science centre offers a hands-on learning experience that sparks curiosity and brings the ocean to life for kids. **What to Bring** Comfortable shoes for walking, a refillable water bottle, and a sense of adventure. **Best Age Range** Ages 5 to 12, but fun for the whole family. **Good to Know** The centre is fully air-conditioned, making it a perfect indoor activity on hot or rainy days. Arrive early to avoid crowds and make the most of your visit. **Nearby** Kurrajong Heights Lookout for scenic views, and the nearby Hawkesbury River for a family picnic. **Tips From Other Parents** "Plan to spend at least 2-3 hours to fully explore all the exhibits," says Sarah, a local mum. "Don't miss the touch tanks—kids love interacting with the sea creatures!"