Jose Luis Gonzalez from Spain build a truly Great Ball Contraption Layout using efficient and nice looking GBC Modules. He also used one of our GBCs. Can you spot it? ;)
Inspired? Get the building instructions and start engineering today: https://pv-productions.com/product/lego-gbc-25-42049-building-instructions/
See also our other GBC C Model Building Instructions: https://pv-productions.com/product-category/lego/