Did you already finished building the LEGO 42064 Ocean Explorer? Then it’s now time to start engineering and build our GBC 18 Port Factory. This 42064 C model features physics, mechanics, gearing, forces, timing, logic, mechanisms and so much more! Get the building instructions and start building today: https://pv-productions.com/product/lego-gbc-18-4-modules-42064-building-instructions/