It is called engine checkup, sells six test pads for about $30 details at proquip.com.au
Looks like it sells in a yellow cardboard box counter display with a flat sheet of six test pads to drop warm oil drip of dipstick onto to test for state of oil, engine efficiency (yeah? "10.8l per 100km"

shortcut to car inspections -
If you know of and have tried it maybe give a write up in here