Bonelk Gaming Full Size RGB LED Keyboard + Mouse (Black) ELK-61008-R. GOOD GUYS COMMERCIAL. $36.00.

Plenty stock for click and collect in store.

You need special access to GCC website. I use my Origins rewards program to gain access to the lower prices.

Other ways of gaining access to GCC: https://www.ozbargain.com.au/wiki/tggc_access