There's two directions you can go: 1) you could just glue the pieces together and keep it as a model. This can also apply to models you find online. 2) you can

There's two directions you can go: 1) you could just glue the pieces together and keep it as a model. This can also apply to models you find online. 2) you can sort and sell or give them to someone who will enjoy them. Sourcing sorted pieces is actually a big function of the used market. It's perfectly acceptable to not enjoy a kind of toy. To each there own. I also tend to struggle with open-world games if there isn't some sort of goals set up