Posted: September 25, 2019 at 7:42 am TWG Source LEGO Technic\’s biggest set ever now available for pre-order: 42100 Liebherr R 9800 Excavator [News] | The Brothers Brick The massive LEGO Technic Liebherr excavator is now available for pre-order. This huge 4,108-piece set is the biggest Technic set ever! Leave a Reply Cancel replyYou must be logged in to post a comment.