How Long Does LEGO® Back to the Future Time Machine (10300) Take to Build?
A typical builder finishes LEGO® Back to the Future Time Machine (set 10300, 1,872 pieces) in about 4 hours 30 minutes. Taking it slowly runs closer to 6 hours; building at a fast pace, about 3 hours 30 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.