Can you recommend a half day tour from Melbourne?

My sister and I are going to see our brother in Australia. He lives in Melbourne so I guess we will be spending most of our time there. Although we want to spend some time with him we would also like to see as much as we can. Can you recommend a half day tour from Melbourne?

There are many nice half day tours from Melbourne. They are diverse and interesting and I am sure that you will find few for yourself. They are: Caulfield North - Balloon Flights Over Melbourne Richmond - Hot Air Ballooning Melbourne - Bronte House B & B Goondiwindi - Chocoholic Tours Southbank - Gimme Golf Malvern - Gimme Golf - Global Ballooning Pty Ltd Richmond - Hidden Secrets Tours Melbourne - Historical Coffee Tour Melbourne - Melbourne Fishing Charters Reservoir - Melbourne Sports Tours Melbourne - Real Melbourne Bike Tours Docklands - St Kilda Fishing St Kilda - Talk'N Tours Melbourne - Tramtastic Tours Melbourne - VicTourious Adventures South Melbourne.