LEGO Universal Building Set (733-1)
The Universal Building Set (733-1) is a LEGO Universal Building Set set.
This LEGO set has 504 pieces. It currently has a value of $682.89 based on the average recorded new-condition sale price from 1 April 2026 to 20 October 2026.
Price over time
View price history table
| Month | Avg Price | Sales |
|---|---|---|
| Apr 24 | $508.73 | 1 |
| May 24 (estimated) | $514.05 | 0 |
| Jun 24 (estimated) | $519.38 | 0 |
| Jul 24 (estimated) | $524.71 | 0 |
| Aug 24 (estimated) | $530.03 | 0 |
| Sep 24 (estimated) | $535.36 | 0 |
| Oct 24 (estimated) | $540.69 | 0 |
| Nov 24 (estimated) | $546.02 | 0 |
| Dec 24 (estimated) | $551.34 | 0 |
| Jan 25 (estimated) | $556.67 | 0 |
| Feb 25 (estimated) | $562.00 | 0 |
| Mar 25 (estimated) | $567.32 | 0 |
| Apr 25 (estimated) | $572.65 | 0 |
| May 25 (estimated) | $577.98 | 0 |
| Jun 25 (estimated) | $583.30 | 0 |
| Jul 25 (estimated) | $588.63 | 0 |
| Aug 25 (estimated) | $593.96 | 0 |
| Sep 25 (estimated) | $599.28 | 0 |
| Oct 25 (estimated) | $604.61 | 0 |
| Nov 25 (estimated) | $609.94 | 0 |
| Dec 25 (estimated) | $615.27 | 0 |
| Jan 26 (estimated) | $620.59 | 0 |
| Feb 26 (estimated) | $625.92 | 0 |
| Mar 26 (estimated) | $631.25 | 0 |
| Apr 26 (estimated) | $636.57 | 0 |
| May 26 (estimated) | $641.90 | 0 |
| Jun 26 (estimated) | $647.23 | 0 |
| Jul 26 (estimated) | $652.55 | 0 |
| Aug 26 (estimated) | $657.88 | 0 |
| Sep 26 (estimated) | $663.21 | 0 |
| Oct 26 | $683.18 | 1 |
Minifigures
This set contains 0 minifigures.
Monthly sales
We have recorded 2 sales of the Universal Building Set set since Apr 24. 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: Universal Building Set
Theme: Universal Building Set
Sub Theme: Basic Set
Set number: 733-1
Status: Unknown
Pieces: 504
Minifigures: 0
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Set value
Confidence: Low
Current value: $682.89
Increase from RRP: -
Set colors
The Universal Building Set has 504 pieces and is ranked 2510 on the list of biggest LEGO sets ever made.
The most common colour in this set is Blue
The most common part in this set is Brick 1 x 2
Stats
Frequently Asked Questions
How much is the LEGO Universal Building Set (733-1) worth?
The LEGO Universal Building Set is currently worth $682.89 based on the average recorded new-condition sale price from 1 April 2026 to 20 October 2026.
How many pieces are in the LEGO Universal Building Set?
The LEGO Universal Building Set (733-1) contains 504 pieces, making it the 2510th biggest LEGO set ever made.
Latest recorded sales month: Oct 26
