LEGO Technic 42112 Concrete Mixer Truck [Review] - The Brothers Brick | The Brothers Brick
LEGO Technic Concrete Mixer Truck 42112 Building Kit, Kids Will Love Bringing The Construction Site to Life with This Cool Concrete Truck Toy Model Set (1,163 Pieces)
Modified 42112 Concrete Mixer Truck - link to instructions in comments : r/legotechnic