LEGO Technic App-Controlled Cat® D11 Bulldozer 42131

from Usairforce27

All I have to say its an awesome build about 15-16 hrs to finish. Very impressed with all the gearing motors, attn to detail. I give this 10/10. Everything worked the first time trying.

from Antonio123

First and upmost no missing parts! Excellent kit! I enjoy building big kits with lots of parts and operating gizmos. This is one of those! Realistic, lots of gears and intricate building sequence's. Took my time to build it and enjoyed every minute of it. Having built the Liebherr 9800 and the Of...

from JRYE

This is hands down one of the best technic sets to come out of LEGO. I'm a pretty advanced builder and an engineer by day so I'm very critical on my reviews. I haven't been a fan of the app controlled functions in the past however this has changed my mind. It was exciting to build, its HUGE, high...

from Kb-STG

If you love large toys, I highly recommend this build. It's a Great build project, not only because of the high piece count, but because it's so involved. Great job, and kudos to the engineers on the design. It is so realistic. I also love that you can control this unit from an app. Many hours of...

from MAH601

Well done Lego, well done. I was hesitant to purchase it because of the price but after spending 8 days building, correcting my errors, and testing I am extremely pleased with the purchase. Thank you.