Model of injection molding tool - mold with a case inside - money bank

I made this mould as a gift for a friend who is an injection mold maker (toolmaker).

The model contains following parts:
mold part 1
mold part 2
two rings
ejector
hook eye
money box with lid

The both rings, the ejector and the hook eye have to be glued. It was the only way for me to design it without using supports.

Note: the diameter of the bolts is ca. 2mm less than the sleeves. I had my reasons for making it loose-fitting and not too tight.

There is a space inside the mol