The Number 35 tram, or City Circle, loops around the CBD and is a regular free get-on, get-off service. If you are venturing further, you will need to buy a Myki card, which covers train, tram and bus services. Alternatively, the Melbourne City Shuttle is a hop-on, hop-off bus service with a 13-stop route around the city’s attractions. ($10. Nine years and under travel free).