Back in stock at Amazon US, even cheaper than the recent deal at https://www.ozbargain.com.au/node/883357 if you use the buy 2 get 10% discount code.
i use this all the time fixing all the stuff my kids break..
When you need something a little stronger than superglue..
Other stores such as Supercheap and Repco offer it for $27+.
I've started using clear plumber's glue for plastic to plastic bonds. It works really well especially for PLA filament 3D prints, and it's a fraction of the price. It seems to partially dissolve the plastic causing the parts to fuse.