How Long Does LEGO® ROBOLAB Team Challenge Set (Serial) (9790) Take to Build?

A typical builder finishes LEGO® ROBOLAB Team Challenge Set (Serial) (set 9790, 727 pieces) in about 2 hours. Taking it slowly runs closer to 2 hours 45 minutes; building at a fast pace, about 1 hour 35 minutes.

PieceTick estimates build time from piece count, part complexity, the set’s age rating, your experience level, and how you sort pieces. Adjust those on this page for an estimate matched to how you build.