How Long Does LEGO® Photosynthesis Student Set (9742) Take to Build?

A typical builder finishes LEGO® Photosynthesis Student Set (set 9742, 74 pieces) in about 10 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.