Even the 4,108-piece Liebherr R 9800 Excavator model, the largest Lego Technic set ever released by piece count (which included seven motors and two smart hub controllers) was $450 when it was ...

The Lego Technic Liebherr R 9800 Excavator is a 4,108-piece monolith, and ends up 25 inches long and 15 inches high when it's complete (which could take a while). It has seven motors to drive its ...

Lego Technic Liebherr Crawler Crane sports a lifelike design and functionality not often seen in Lego sets. Once you’re done piecing together the gigantic rig, you can install the Control+ app ...

The Control+ app is available through the Apple App Store or Google Play and is also compatible with the Technic Liebherr R 9800 Excavator and 4x4 X-treme Off-Roader sets. Lego and the U.K.'s BBC ...

(Don't forget we also have guides to the best Lego Star Wars sets and best Lego Technic sets.) So let's look at how the biggest Lego sets available today compare, because there are huge variations ...