If your kids are into basketball, there are a couple of all day training days during the school holidays at the Dandenong Basketball Stadium.
The Raisinng Children Network has a good article on playing for all ages and here one mum shares 10 activities to do at home with the kids.
Check out these websites! There are many great ideas. There are some great places to visit and ideas that are family friendly, and low cost. Check out some of the weblinks and event calendars to see what you and your family might like to try locally and in other areas of Melbourne.
The international comedy festival is in full swing to see the line up of the family friendly (very) big laugh out at Federation square or select the family friendly events from the official website.
The Victorian government presents the Regional Victoria Living Expo from the 11-13th of April at the Melbourne Convention & Exhibition Centre, 2 Clarendon St, Southbank.
Catch a movie at the lunar Drive-In in Dandenong: http://www.lunardrive-in.com.au/
It's not far from the city of greater Dandenong to visit the Cranbourne Botanical Gardens or if you wish to stay closer pick a local park for a picnic and a play.
Take the train into the city and participate in activities in various locations for example the Arts Centre, the National Gallery of Victoria, Federation square, Scienceworks, the Immigration museum or the Melbourne museum.
For a comprehensive list of family friendly events in Melbourne visit : http://www.webchild.com.au/calendar/melbourne