This is a lightning deal so you need to be quick. In order to get this price, you need to tick the $100 off Coupon on the 3D Printer and add to cart.
https://www.amazon.com.au/gp/product/B08HH329TR
Then add the 1KG Resin to cart.
https://www.amazon.com.au/dp/B07YZ7F55V
Both need to be purchased in the same order. Price will be $120 at checkout
Missed out !
Changed screen to click the resin code - already up to $320 - $100 = $220
Doh!
Still a great price @ $220