We are always working on the next big Great Ball Contraption. Using the LEGO 42082 Rough Terrain Crane as part set opens up a wide variety of awesome possibilities.
Catch up and learn more:
https://pv-productions.com/product/gbc-30-fun-park-42082-building-instructions/
See also our other GBC C Model Building Instructions: https://pv-productions.com/product-category/lego/