Amazon Prime Big Deals Day is finally here with some amazing deals. If you've had your eye on a LEGO set, now is the time to act.

We're keeping a running list of the best October Prime Day Lego deals below. We'll be updating the list with new deals as they pop up. Products available for purchase here through affiliate links are selected by our merchandising team. If you buy something through links on our site, Mashable may earn an affiliate commission.

LEGO isn't the only snap-together brick system. These seven sets aren't from LEGO, but they do offer an alternative and often go places LEGO does not dare.