Amazon Australia has a number of Transformers on sale as part of Black Friday. Free shipping if order >$39 or free with Prime. Search via "Transformers" in "Toys & Games", then filter for Black Friday deals for everything. Highlights below.
SS75 Jolt - $25.89
SS74 Bumblebee - $25.20
SS Devastator boxset - $284.87
SS86 Leader Slug - $67.89
Earthrise Titan Scorponok - $178.49
Earthrise Clones Pounce and Wingspan - $27.61
Gen Selects G2 Ramjet - $42.77
Gen Selects Artfire - $52.49
Gen Selects Volcanicus - $275.43
TF x Back to the Future Gigawatt - $44.80
TF x X-Men X-Spanse - $65.10
TF x Dracula Draculus - $44.79
Galactic Odyssey Autobot Clones - $30.87
Battle Across Time Grimlock and Mirage - $71.13
Shattered Glass Blurr - $31.46
Combiner Wars Devastator reissue - $223.83