How Long Does LEGO® Monorail Transport Base (6991) Take to Build?

A typical builder finishes LEGO® Monorail Transport Base (set 6991, 573 pieces) in about 1 hour 25 minutes. Taking it slowly runs closer to 2 hours; building at a fast pace, about 1 hour 5 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.