Its big. Its mighty. This LEGO Technic Liebherr Crawler Crane LR Construction Set 42146  is your next construction challenge. This LEGO Technic Liebherr Crawler Crane LR 13000 stands over 38 in. (99 cm) high and is one of the largest models in the LEGO Technic range. Packed with details, it features realistic movement in an impressive tribute to one of the worlds most powerful cranes. It moves like a real crane, immerse yourself in the details as you enjoy a mindful build that celebrates one of the worlds most powerful cranes. Then put your crane model to work using the CONTROL+ app to see what this mighty machine can do. Realistic functions include the tank steering, rotating turntable, luffing jib, winch and load sensing. Recreate one of the worlds most powerful cranes Download the CONTROL+ app to take charge of this mighty machine and use the app to control the model crane, see vehicle stats and try challenges The LEGO Builder app features a digital version of the building