LEGO 40785 Northern Lights Diorama Instructions
Promotional • 2025
Where can I find LEGO 40785 Northern Lights Diorama instructions?
LEGO 40785 Northern Lights Diorama is a 332-piece LEGO Promotional set released on 14 October 2025. This page provides a step-by-step building instruction video, with the featured guide divided into 6 timestamped sections covering 4 detected bag stages. The page also links to LEGO's official building instructions for this set.
Instruction videos

LEGO 40785 set details
Set overview
LEGO 40785 Northern Lights Diorama is a 332-piece LEGO Promotional set released in 2025 from the Wonders of the Natural World range.
What does this instruction guide include?
The featured guide is split into 6 timestamped sections, including 4 detected bag stages and a direct jump to the parts list. Among the detected bag chapters, Bag 2 is the longest section at 2 minutes and 55 seconds. Use the chapter links below to return to a specific stage without searching through the full video.
Video chapters
Jump directly to a section of this instruction video without leaving this page.
Official LEGO building instructions
Open the official LEGO instruction page to select and download the available PDF manual books.
VIEW OFFICIAL LEGO MANUALS