: Frequently lists the EV3 31313 retail set and the 45544 Education Core Set .

These are your best bet for finding both new-in-box (NIB) and used sets from local Australian sellers:

A few Australian-based stores specifically stock retired or vintage sets: LEGO Mindstorms EV3 31313 (Open Box) - Brickville

: Check local LEGO "Buy/Swap/Sell" groups in your city, which often have better prices than eBay. Specialized Retired LEGO Retailers

The LEGO Mindstorms EV3 (set 31313) was officially retired in late 2022 and is no longer available through standard retailers like the LEGO Store or Target. To find one in Australia, you will need to look at secondary markets or specialized "retired set" retailers. Secondary Marketplaces