Window Exploration Bag
The Window Exploration Bag (2000409-2) is a LEGO® Serious Play material set and one of the largest on this site: 5,500 pieces plus 100 minifigures aimed at workshops and training sessions. Instead of one model, the bag delivers raw building and thinking material for groups.
- Set number
- 2000409-2
- Year
- 2024
- Pieces
- 5,500
- Minifigures
- 100
- Theme
- Serious Play
- Different parts
- 32
Parts list 32
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Brick Special 1 × 1 with Stud on 1 Side
× 300
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Tile Round 1 × 1 with Offset Black Eye Print
× 300
-
Brick 1 × 2
× 200
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Brick 1 × 2
× 200
-
Brick 1 × 2
× 200
-
Brick 1 × 4
× 200
-
Brick 1 × 4
× 200
-
Brick 1 × 4
× 200
-
Brick 1 × 4
× 200
-
Brick Sloped 45° 2 × 1 with Bottom Pin
× 200
-
Brick 1 × 2 without Bottom Tube
× 200
-
Brick Arch 1 × 4
× 200
-
Plate 2 × 6
× 200
-
Antenna 1 × 4 with Flat Top
× 200
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Brick Sloped 33° 3 × 1
× 200
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Brick Sloped Inverted 33° 3 × 1 with Internal Stopper and No Front Stud Connection
× 200
-
Plate 1 × 10
× 200
-
![Flag 4 × 1 Wavy [First Wave Right] Green](/media/parts/4495b/2/flag-4-x-1-wavy-first-wave-right-green.jpg)
Flag 4 × 1 Wavy [First Wave Right]
× 200
-
Brick 2 × 4
× 100
-
Brick 2 × 2
× 100
-
Plate 2 × 4
× 100
-
Plate 2 × 3
× 100
-
Plate 4 × 6
× 100
-
Brick Sloped 45° 2 × 2
× 100
-
Brick Round 2 × 2 with Axle Hole
× 100
-
Plate Special 1 × 2 with Ladder
× 100
-
Plant, Flower 2 × 2 Leaves - Angular
× 100
-
Brick Curved 2 × 3
× 100
-
Plant, Flower, Minifig Accessory with 7 Thick Petals and Pin
No longer produced · last seen 2024
× 100
-
Brick Special 1 × 2 with Pin - Bottom Stud Holder
× 100
-
![Tile Special 2 × 2 with Top Pin [Squared Holes] Dark Bluish Gray](/media/parts/49153/72/tile-special-2-x-2-with-top-pin-squared-holes-dark-bluish-gray.jpg)
Tile Special 2 × 2 with Top Pin [Squared Holes]
× 100
-
Propeller 4 Blade 5 Diameter with Rounded Ends, Closed Hub
× 100
No part matches this colour selection.
Import on BrickLink: Wanted → Upload, upload the file (or paste its content), pick a Wanted List and add the parts.
Spare parts (2)
These extra parts come with the set in case one gets lost.
Minifigures 100
Description
Built for groups, not a single builder
At 5,500 pieces, this is one of the largest sets in the catalogue, far more than any single model would ever need. That scale reflects its purpose: the bag is meant for group work, typically in workshops, training sessions or team exercises where several people build from the same shared pool of parts at once. Thirty-two distinct part types keep enough variety in circulation that a group can pursue quite different, spontaneous ideas without constantly competing for the same shapes.
A thinking tool, not a finished build
Unlike a standard set, the Window Exploration Bag comes with no instructions for a specific model. The approach behind it, known as LEGO® Serious Play, uses bricks as a way to represent ideas, problems or relationships visually rather than only describing them in words. Participants build their own, often symbolic models and then explain what each part stands for, and the high piece count and variety make it possible to translate even abstract or complex topics into something physical.
A hundred minifigures for human context
The set's 100 minifigures stand out immediately, far more than almost any other set offers. In workshop settings, minifigures often represent people, roles or viewpoints within a built model, such as team members, customers or stakeholders. That volume makes this set particularly suited to exercises about relationships between people, teams or organisations, rather than exercises focused purely on objects or landscapes.
Colours and part variety
The base palette of dark bluish grey, green, white and orange gives a neutral but contrasting framework that suits almost any topic without presupposing a particular meaning. Exactly which of the 32 part types come in which colour, and how often, is laid out in full in the parts list on this page, useful if you want to size up the set for your own purposes or compare it with other material sets.
FAQ
- What exactly is the Window Exploration Bag?
- A large LEGO® Serious Play material set with 5,500 pieces, built for workshops rather than a single fixed model.
- What are the 100 minifigures for?
- In workshop exercises they typically represent people, roles or viewpoints, helping groups show human relationships within a model.
- Is there an instruction booklet for a specific build?
- No, the set is meant as free-form material for your own, often symbolic, models.
