How do you swap faces?

They also have this neat little set with small screwdrivers which I have. They are a little longer wbut they do work on the face screws because they have small heads. They are nice to have for around the house to and can also be used for eye glass repairs. https://shop.riteaid.com/helping-hand-pr...rs-0513675

I have one very, very similar, but there are also flathead screwdrivers and the case is red. We're using the smallest phillip's head.