LEGO Technic app-controlled Cat D11 bulldozer 42131

Celebrate the hero of the world of architecture as you build a replica of the largest Cat® bulldozer with this LEGO® Technic App Controlled Cat® D11 Bulldozer (42131) set.  With this huge set, adults can relax while focusing on their passion.  A faithful replica of a real Cat® bulldozer, the model consists of modular sections.  LEGO fans will love the new LEGO item coming in October 2021 - a large track that can be adjusted tight and loose.  And construction is just the beginning!  Full of realistic details and features, there's plenty to explore in this model.  Take control of your bulldozer model!  Control and explore this heavy-duty machine with the CONTROL+ app.  Use the app for driving and steering!  The app provides realistic movement as you raise, lower and tilt the foot, or raise and lower the soil conditioner and ladder.  Discover the world of engineering!  LEGO Technic construction models feature realistic movements and structures, allowing LEGO builders to explore engineering concepts in an accessible and realistic way.