Lego 42043 C model - A fully functional GBC (great ball contraption) or "marble run" model built 100% from the 42043 Lego Tech… | Lego technic, Lego art, Marble run
Mobile crane- 42043 C model | brickbybricktechnic
CUSTOMBRICKS.de - LEGO Technic model Custombricks MOC Instruction