LEGO Unique parts in 42129-1: 4x4 Mercedes-Benz Zetros Trial Truck | Brickset
LEGO Unique parts in 42129-1: 4x4 Mercedes-Benz Zetros Trial Truck | Brickset,Driving the LEGO® Technic 4x4 Mercedes-Benz Zetros Trial Truck (42129) with the Powered Up Remote - Pybricks,Driving the LEGO® Technic 4x4 Mercedes-Benz Zetros Trial Truck (42129) with the Powered Up Remote - Pybricks,Hi All, my latest build is an Ultra 4 Buggy out of the Zetros set (42129). It features a 2-speed gearbox with a 3x gear ratio for both faster speed (4x faster,Hi All, my latest build is an Ultra 4 Buggy out of the Zetros set (42129). It features a 2-speed gearbox with a 3x gear ratio for both faster speed (4x faster