How Long Does LEGO® eLAB Renewable Energy Set (9681) Take to Build?

A typical builder finishes LEGO® eLAB Renewable Energy Set (set 9681, 713 pieces) in about 2 hours 10 minutes. Taking it slowly runs closer to 3 hours; building at a fast pace, about 1 hour 40 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.