Celebrate the hero of the construction world as you build an authentic replica of the largest Cat eg; bulldozer with the LEGO eg; Technic rade; App-Controlled Cat eg; D11 Bulldozer (42131) set. This large-scale set allows adults to enjoy their "me time" with focused passion. Just like the real Cat eg; bulldozer, this model is built in modular sections. You will love TO CONTROL YOUR BULLDOZER MODEL Use the CONTROL+ app to operate and explore this heavy machine. Use the app to drive and steer. The app provides realistic movement as you lift, lower, and tilt the blade or raise and lower the ripper. EXPLORE THE ENGINEERING LEGO Technic buildable models feature realistic movement and mechanisms that allow LEGO builders to explore engineering concepts in a friendly and realistic way. Build a powerful, detail-filled construction vehicle with the massive, app-controlled LEGO eg; Technic rade; Cat eg; D11 Bulldozer 42131 construction model building set for adults. . Use the CONTROL+ app to operate your bulldozer. Bring the bulldozer model to life as you drive and steer, then lift, lower, and tilt the blade or raise and lower the ripper. Looking for the best gifts for yourself or any fan of Cat eg; bulldozers and other cool vehicles? This impressive construction vehicle set makes for a better gift idea. This Cat eg; replica measures over 10 in. (26 cm) high, 22 in. (57 cm) long and 14.5 in. (37 cm) wide. Requires 6 x AA batteries (not included). The set also includes 2 x Large Motors, 2 x XL Motors and 1 x Hub. This Cat eg; model is meticulously detailed to replicate the full-size model with authentic colors and graphics that Cat eg; enthusiasts will love. The LEGO eg; Technic rade; world offers advanced buildable models for LEGO fans looking for an immersive building challenge. LEGO eg; Technic rade; components meet rigorous industry standards to ensure they are consistent, compatible, and reliably connect every time . Set condition: Used and very clean Carton and assembly catalog are available