1. Sets
  2. Universal Building Set
  3. Basic Set
  4. Building Set
404 LEGO Building Set thumbnail image

404 LEGO Building Set

Images 2
404 LEGO Building Set
  • Building Set thumbnail
  • Building Set thumbnail

Set Value(New/Sealed)

This chart represents the current new/sealed value of the set Building Set since January 2017.Medium accuracy
LEGO 404 Building Set is a 467 piece Universal Building Set set with 3 minifigs released in 1977. It consists of black, red, yellow, trans-clear, blue, and light gray bricks, plates, slopes, wheels, hinges, rubber bands, strings, and three LEGOLAND figures, one white and 2 blue. It was also called "Universal Building Set" and was released only in the United States.

The current value for a new and sealed Building Set is estimated at $411, with an average annual growth of approximately 5%. On the open market, a used set will sell in the range of $280 and $379, depending on its condition.
Building Set is a relatively rare vintage set. We have not seen set 404-1 for sale in primary or secondary markets for over 6 months. Its market value is likely somewhat higher than our estimate.The last brand new Building Set was sold on eBay.
There are currently no new/sealed listings available for Building Set at this time.
Check eBay

Minifigs

Building Set contains the following minifigs.

Related Sets

912 LEGO Advanced Basic Set with Motor

912 Advanced Basic Set with Motor

ThemeBasic
Year1976
Pieces / Minifigs 471 / 3
AvailabilityRetired
Buy this set at
eBayBricklink
912 LEGO Advanced Basic Set with Motor
Retail $36.99
Value$440.05
Growth  +1089.6%
Annual growth 5.2%

Sets inUniversal Building Set /Basic Set

402 LEGO Building Set

402 Building Set

Year1977
Pieces / Minifigs 401 / 4
AvailabilityRetired
Buy this set at
eBay
402 LEGO Building Set
Retail $24.99
Value$413.05
Growth  +1552.9%
Annual growth 4.1%
114 LEGO Building Set

114 Building Set

Year1977
Pieces 390
AvailabilityRetired
Buy this set at
eBayBricklink
114 LEGO Building Set
Retail $24.99
Value$207.50
Growth  +730.3%
Annual growth 4.1%
400 LEGO Building Set

400 Building Set

Year1977
Pieces / Minifigs 294 / 3
AvailabilityRetired
Buy this set at
eBay
400 LEGO Building Set
Retail $24.99
Value$472.70
Growth  +1791.6%
Annual growth 6.5%
113 LEGO Building Set

113 Building Set

Year1977
Pieces 293
AvailabilityRetired
Buy this set at
eBayBricklink
113 LEGO Building Set
Retail $16.99
Value$111.62
Growth  +557.0%
Annual growth 4.0%
112 LEGO Building Set

112 Building Set

Year1977
Pieces 200
AvailabilityRetired
Buy this set at
eBay
112 LEGO Building Set
Retail $18.99
Value$176.27
Growth  +828.2%
Annual growth 5.2%
111 LEGO Building Set

111 Building Set

Year1977
Pieces 173
AvailabilityRetired
Buy this set at
eBay
111 LEGO Building Set
Retail $12.99
Value$149.33
Growth  +1049.6%
Annual growth 3.4%
110 LEGO Building Set

110 Building Set

Year1977
Pieces 131
AvailabilityRetired
Buy this set at
eBayBricklink
110 LEGO Building Set
Retail $9.99
Value$270.00
Growth  +2602.7%
Annual growth 7.5%
Shopping through some merchant links helps fund this site via commissions. If you're buying LEGO, we truly appreciate your support! See ourdisclosure policy.

My Collection

Set Details

Set number
404-1
Name
Building Set
Subtheme
Year
Availability
Retired
Pieces
467  (PPP $0.09)
Minifigs
3  (Value $32.30)
Legoland Figure Blue HatLegoland Figure White Hat

Set Pricing

Retail price
$39.99
New/Sealed
Value
$410.78
Growth
+927.21%
Annual growth
+4.98%
Used
Value
$340.95
Range
$280.13 - $379.47

Quick Buy

eBay
Check
Price
$398.46
Bricklink
Check
*Listings are for new/sealed sets.

Set Predictions

New/Sealed
Today's value
$410.78
1 year forecast
$431.22+4.98%
5 year forecast
$512.02+24.65%
$487
$528
404 Building Set is projected to be valued between $487 - $528 within five years.
Insights
This vintage, region-limited LEGO set featuring classic LEGOLAND figures offers strong scarcity-driven appeal and has shown robust post-retirement growth, with outcomes highly dependent on completeness and box condition.

Set Facts

  • This set is the same as set 912 Universal Building Set / Advanced Basic Set with Motor.
  • The set includes minifigures with "LEGOLAND - Blue Torso, Blue Legs, Blue Hat" and "LEGOLAND - White Torso, White Legs, White Hat."
  • It features a black electric 4.5V battery box (6 x 11 x 3 1/3) designed for use with 1-prong and 2-prong connectors.
  • Key components include a black Technic link chain with 48 large studded links and a yellow crane bucket with a spring mechanism.

Building Set Reviews

2 ratings
4.7
Collectors
Investors

Subtheme Analysis

Sets
24
Years
1966 - 1977
Annual growth
+5.35%  (this set +4.98%)
This set's annual growth (CAGR) vs. subtheme
Community Stats
Building Set currently ranks #2 out of the top most owned sets in Universal Building Set Basic Set.

About Universal Building Set Basic Set

The LEGO Universal Building Set Basic Sets theme, active from 1966 to 1977, provided a foundation for creative building with a variety of versatile bricks and elements. These sets were designed to encourage open-ended construction and imagination, featuring an assortment of basic bricks, plates, windows, and doors. They allowed builders to create anything from simple structures to more complex models, laying the groundwork for LEGO's emphasis on creativity and versatility. Key sets in this theme include 088 4.5V Super Set, which introduced motorized components powered by a 4.5-volt battery, enhancing the complexity and functionality of LEGO creations.

Basic Set consists of 24 sets that ran from 1966 to 1977. As of today,088 4.5V Super Set is the most valuable Basic Set set with an estimated new/factory sealed value of $3,315.
Read more

Set Pricing Models

BrickEconomy uses a number of methods to determine the value of a set.
New/Sealed
Machine Learning/AI Model
Value(today)
$410.78
Value(in a year)
$431.22
Value(in 2 years)
$451.66
Accuracy
0.820000High
Statistical Model
Value(today)
$412.10
Value(in a year)
$434.58
Value(in two years)
$457.06
Accuracy
0.818441High
Used
Machine Learning/AI Model
Value(today)
$340.95
Value(low range)
$280.13
Value(high range)
$379.47
Accuracy
0.765000High
To learn more about how we calculate pricing and forecasting, check out our article onBrickEconomy’s Approach to LEGO Pricing and Future Value Predictions.