Make weekend event items purchasable afterwards. Especially things like those new eyes with the eyelashes and shiny lips. We never get any new things to do with our faces so that would have been nice to be able to purchase those since I missed the event.
I think we should be able to customize our baby like we do our own characters, like the eye color, hair color, and facial features. For as expensive as they are, we should be able to do more with them.