Heres one in Melbourne, you might be lucky
Shutter Release Timer Remote Control Cord Nikon Camera D7000 D90 D3100 as MC-DC2 | eBay
Will keep an eye out for you on the road, we left home on our 1+ year round Aust trip but 3 weeks ago have only got to Sydney , hopefully out of here next Saturday blog = Going Bush, trip blog
These are add on timers that can be added to a regular Digital SLR and some Mirrorless compact system cameras , thats what you need for best quality time lapses, but a lot of money if you don't already have the camera.

