LEGO Technic 4×4 Mercedes-Benz Zetros has a hidden feature
42129 4x4 Mercedes-Benz Zetros Trial Truck at John Lewis
RacingBrick - Here's my next video about the LEGO Technic 42129 4x4 Mercedes-Benz Zetros Trial Truck - testing different tire & suspension variations, modding the truck for outdoors and a potential issue