Go to the self service kiosk. Press "PROMOTIONS" menu. Choose as many milkshakes as you like - they're FREE. Enjoy. My milkshake brings all the boys to the yard, And they're …
![Free Milkshakes at McDonald's [Stanmore, NSW + Possibly Elsewhere]](https://files.ozbargain.com.au/n/26/198326.jpg?h=1888c810)
