I was hoping this thread would be about "normal" size bikes converted to be mini-size. There was that derbi in the B/S but also made me think of this bike (which i LOVE):
from this thread: https://www.mopedarmy.com/forums/read.php?1,3707444,page=1
Perhaps a Derbi Variant with DS50 wheels? Has anyone done a hobbit in this style? I guess it would take more effort to relace a hobbit rear to a small rim. HMm..