How Long Does LEGO® Jay's Electro Mech (71740) Take to Build?

A typical builder finishes LEGO® Jay's Electro Mech (set 71740, 106 pieces) in about 15 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.