How Long Does LEGO® Dual FX Racers (1665) Take to Build?

A typical builder finishes LEGO® Dual FX Racers (set 1665, 108 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.