I don't know. I think a good selection of different pieces vastly expands your options. Some of the coolest models are the ones that use weird pieces in clever

I don't know. I think a good selection of different pieces vastly expands your options. Some of the coolest models are the ones that use weird pieces in clever ways--my favorite example was an Audi R8 that used white rope pieces (very specialized) for the front LED lights.