LEGO Window Exploration Bag (2000409-1)
The Window Exploration Bag (2000409-1) is a LEGO Educational and Dacta set.
This LEGO set has 5,200 pieces. It currently has a value of $4.56 based on the average recorded new-condition sale price from 1 April 2026 to 17 October 2026.
Price over time
View price history table
| Month | Avg Price | Sales |
|---|---|---|
| Apr 22 | $537.12 | 1 |
| May 22 (estimated) | $513.13 | 0 |
| Jun 22 (estimated) | $489.14 | 0 |
| Jul 22 (estimated) | $465.15 | 0 |
| Aug 22 (estimated) | $441.16 | 0 |
| Sep 22 | $417.17 | 1 |
| Oct 22 (estimated) | $430.49 | 0 |
| Nov 22 (estimated) | $443.82 | 0 |
| Dec 22 (estimated) | $457.15 | 0 |
| Jan 23 (estimated) | $470.48 | 0 |
| Feb 23 | $485.14 | 2 |
| Mar 23 | $407.84 | 1 |
| Apr 23 (estimated) | $407.84 | 0 |
| May 23 (estimated) | $407.84 | 0 |
| Jun 23 (estimated) | $407.84 | 0 |
| Jul 23 (estimated) | $407.84 | 0 |
| Aug 23 (estimated) | $407.84 | 0 |
| Sep 23 (estimated) | $407.84 | 0 |
| Oct 23 | $411.84 | 1 |
| Nov 23 | $410.50 | 1 |
| Dec 23 (estimated) | $405.17 | 0 |
| Jan 24 (estimated) | $399.84 | 0 |
| Feb 24 | $394.51 | 1 |
| Mar 24 | $390.51 | 1 |
| Apr 24 | $593.10 | 1 |
| May 24 (estimated) | $491.80 | 0 |
| Jun 24 | $391.84 | 1 |
| Jul 24 (estimated) | $390.51 | 0 |
| Aug 24 (estimated) | $389.18 | 0 |
| Sep 24 (estimated) | $387.84 | 0 |
| Oct 24 (estimated) | $386.51 | 0 |
| Nov 24 (estimated) | $385.18 | 0 |
| Dec 24 (estimated) | $383.85 | 0 |
| Jan 25 | $383.85 | 1 |
| Feb 25 (estimated) | $386.51 | 0 |
| Mar 25 (estimated) | $389.18 | 0 |
| Apr 25 (estimated) | $391.84 | 0 |
| May 25 | $394.51 | 2 |
| Jun 25 | $201.25 | 16 |
| Jul 25 (estimated) | $187.92 | 0 |
| Aug 25 (estimated) | $174.60 | 0 |
| Sep 25 (estimated) | $161.27 | 0 |
| Oct 25 (estimated) | $147.94 | 0 |
| Nov 25 (estimated) | $134.61 | 0 |
| Dec 25 (estimated) | $121.28 | 0 |
| Jan 26 (estimated) | $107.96 | 0 |
| Feb 26 (estimated) | $94.63 | 0 |
| Mar 26 (estimated) | $81.30 | 0 |
| Apr 26 (estimated) | $67.97 | 0 |
| May 26 (estimated) | $54.64 | 0 |
| Jun 26 (estimated) | $41.32 | 0 |
| Jul 26 (estimated) | $27.99 | 0 |
| Aug 26 (estimated) | $14.66 | 0 |
| Sep 26 | $4.00 | 1 |
Minifigures
This set contains 0 minifigures.
Monthly sales
We have recorded 31 sales of the Window Exploration Bag set since Apr 22. The chart below shows the number of recorded sales per month, which can help indicate the popularity and availability of this set on the secondary market.
My collection
Set details
Name: Window Exploration Bag
Theme: Educational and Dacta
Set number: 2000409-1
Status: Unknown
Pieces: 5,200
Minifigures: 0
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Set value
Confidence: High
Current value: $4.56
Increase from RRP: -
Set colors
The Window Exploration Bag has 5200 pieces and is ranked 27 on the list of biggest LEGO sets ever made.
Stats
Frequently Asked Questions
How much is the LEGO Window Exploration Bag (2000409-1) worth?
The LEGO Window Exploration Bag is currently worth $4.56 based on the average recorded new-condition sale price from 1 April 2026 to 17 October 2026.
How many pieces are in the LEGO Window Exploration Bag?
The LEGO Window Exploration Bag (2000409-1) contains 5,200 pieces, making it the 27th biggest LEGO set ever made.
Latest recorded sales month: Sep 26
