Limited availability in stores, so far from what I checked yellow color only available in Chatswood. Although you can go to Officeworks and get an extra 5% if it is in stock, keeping in mind that target still has it in stock and you're in Sydney/NSW. Officeworks only has the yellow color. Tried doing this in Melb, didn't work.
Only colors available for $29:
White https://www.target.com.au/p/fujifilm-instax-mini-8-camera-wh...
Yellow https://www.target.com.au/p/fujifilm-instax-mini-8-camera-ye...
Pink https://www.target.com.au/p/fujifilm-instax-mini-8-camera-pi...
Edit: Try calling target if they actually have stock in the stores, the website might be slow to update. Never expected my first post to blow up hahaha