What's going on? Apple milkshakes?
Actually it is an old fashioned printing press and will set up for the day so people can have a go at printing their own Appley Posters...or whatever.
We have never had anything like this at Apple Day before...and I doubt we will again. So come and have a go, or just find out more about letterpress printing from the experts.
Find out more by following this link to The Print Project.