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 ...

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 ...