The old MSV "Zaku Mine Layer" kit is a really good kit.
Using this kit,
https://gn-app.com/posts/8f8c0276-df53-48eb-bd9e-95310e84db4a
I was able to enjoy it in a way that's only possible in this modern age with the existence of such wonderful HG kits.
However, if you do that, it's only natural that you'll end up with leftover parts.

I made this model by making the most of the parts from a kit that was once considered the pinnacle of Zaku models. | ふっださん's Gunpla works