Marble Run Space Port - RokrGet ready for a whole new visual feast! This is a marble run model, which is designed in dark gray and dotted with silver. The brand new product of ROKR Track Maze City, Marble Spaceport (LGC01) was born with the theme of future space technologies. The uniqueness of this marble run lies in its complex mechanical structures, which are 6 diversion mechanisms and 5 tracks. Turning the handle, you can watch steel balls rolling through different tracks.