LEGO 40866 Building Instructions – Santa's Holiday Sleigh Adventure
Seasonal • 2026
Where can I find LEGO 40866 Santa's Holiday Sleigh Adventure instructions?
LEGO 40866 Santa's Holiday Sleigh Adventure is a 187-piece LEGO Seasonal set released on 1 October 2026. This page provides a step-by-step building instruction video, with the featured guide divided into 4 timestamped sections covering 3 detected bag stages and a total runtime of 2 minutes and 31 seconds. The page also links to LEGO's official building instructions for this set.
Official LEGO building instructions
Open the official LEGO instruction page to select and download the available PDF manual books.
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LEGO 40866 set details
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Set overview
LEGO 40866 Santa's Holiday Sleigh Adventure is a 187-piece model. Verified product details include 2 minifigures. The finished model measures over2.5 in. (7 cm) high, 9.5 in. (25 cm) long and 2.5 in. (6 cm) wide.
What does this instruction guide include?
The featured guide is split into 4 timestamped sections, including 3 detected bag stages and a direct jump to the parts list. The featured instruction video runs for 2 minutes and 31 seconds. Among the detected bag chapters, Bag 1 is the longest section at 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.
LEGO 40866 questions
How many pieces does LEGO 40866 Santa's Holiday Sleigh Adventure have?
The set is listed with 187 pieces.
Are there bag chapters in the LEGO 40866 Santa's Holiday Sleigh Adventure video?
The instruction video has 3 chapters labelled by bag; this is not necessarily the physical number of bags in the box.
How long is the LEGO 40866 Santa's Holiday Sleigh Adventure instruction video?
The video runs for 2 minutes and 31 seconds. Actual hands-on building time varies.