How Long Does LEGO® MT-61 Crystal Reaper (7645) Take to Build?

A typical builder finishes LEGO® MT-61 Crystal Reaper (set 7645, 600 pieces) in about 1 hour 40 minutes. Taking it slowly runs closer to 2 hours 20 minutes; building at a fast pace, about 1 hour 20 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.