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Sets
Basic
Basic Building Set

527 LEGO Basic Building Set

Name: LEGO Basic Building Set
Brand: LEGO
SKU: 527-1
Availability: InStock
Rating: 4.70 (16 reviews)

Images 1

LEGO 527 Basic Building Set is a vintage Basic set from 1987 valued at $44 for new and sealed sets, up 243% from an original retail price of $12.95. Annual appreciation has averaged 3.37% since release. Used copies are valued between $29 and $42 depending on condition.

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Basic Building Set since May 2021. High accuracy

LEGO 527-1 Basic Building Set is a Basic set released in 1987, containing 192 pieces and 1 minifigure. It is an extended version of set 520-1, with additional standard bricks that expand the original assortment, including extra 1x1 and 1x2 elements in red, blue, and yellow. The set is built around general-purpose construction rather than a single model and includes a green 16 x 16 baseplate, wheel and tire elements, window parts, fence pieces, plates, slopes, and plant elements for creating simple vehicles, houses, and small scenes. Its contents reflect the Basic theme’s focus on open-ended building with a broad mix of core parts in primary colors.

A new and sealed Basic Building Set is currently valued at around $44, with annual growth of approximately 2%, which is lower than other Basic sets. The average used price is $35 for those in good overall condition. Based on current trends, this set could be valued near $46 within the next year. New and sealed listings currently range from $40 to $64.

All regions

All regions 10
United States 10

For Sale (New/Sealed)

	(US) RARE LEGO System: Basic Building Set 515 - New in box	BrickEconomy Choice $37.99
	(US) 515 Basic Building Set-Brand New in Sealed Original Box / Box Is Dented	$39.95 -10.1%
	(US) System: Basic Building Set (515) Vintage Set Brand New	$40.00 -10.0%
	(US) Excellent condition. Collectors piece. 10/10 Price tag applied. One seal on box cut...	$44.99 +1.2%
	(US) System: Basic Building Set (515) Vintage Set Brand New In Excellent Box	$50.00 +12.5%
	(US) RARE LEGO System: Basic Building Set 515 - New in box	$59.99 +34.9%
	(US) 517 Basic Building Set Vintage 1988 New Unopened Box 115 Pieces	$64.99 +46.2%
	(US) VTG LEGO BASIC BUILDING SET #527 (191 pcs) 1987 Complete Set NOS	$72.95 +64.1%
	(US) BASIC BUILDING SET 517 Brand New Never Opened 1987 Set	$82.50 +85.6%
	(US) Basic Building Set 517	$95.00 +113.7%

Minifigs

Basic Building Set contains 1 minifig. The minifig is also included in 1 other set.

pln021

Male with Plain Blue Torso

2 sets

Value $2.90

Related Sets


	520 Basic Building Set Theme Basic Year 1985 Pieces / Minifigs 165 / 1 Availability Retired Buy this set at eBay	Retail $12.95 Value $44.47 Growth +243.4% Annual growth 3.1% I own this set I want this set

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	557 Basic Building Set Theme Basic Year 1987 Pieces / Minifigs 711 / 2 Availability Retired Buy this set at Bricklink	Retail $15.49 Value $361.24 Growth +2232.1% Annual growth 3.9% I own this set I want this set

	357-2 Basic Building Set Theme Basic Year 1987 Pieces 681 Availability Retired Buy this set at Bricklink	Retail $27.00 Value $45.39 Growth +68.1% Annual growth 5.4% I own this set I want this set

	547 Basic Building Set Theme Basic Year 1987 Pieces / Minifigs 563 / 2 Availability Retired Buy this set at eBay Bricklink	Retail $14.99 Value $713.48 Growth +4659.7% Annual growth 10.4% I own this set I want this set

	1615 Basic Set Theme Basic Year 1987 Pieces / Minifigs 382 / 1 Availability Retired Buy this set at Bricklink	Retail $20.00 Value $77.69 Growth +288.5% Annual growth 3.5% I own this set I want this set

	1613 Basic Set Theme Basic Year 1987 Pieces / Minifigs 359 / 2 Availability Retired Buy this set at Bricklink	Retail $20.00 Value $104.50 Growth +422.5% Annual growth 4.3% I own this set I want this set

	347-2 Basic Building Set Theme Basic Year 1987 Pieces / Minifigs 328 / 2 Availability Retired Buy this set at Bricklink	Retail $19.99 Value $59.99 Growth +200.1% Annual growth 9.2% I own this set I want this set

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	1575-2 Basic Set with Board Game Theme Basic Year 1987 Pieces / Minifigs 230 / 1 Availability Retired Buy this set at Bricklink	Retail $19.99 I own this set I want this set

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	517-2 Basic Building Set Theme Basic Year 1987 Pieces 115 Availability Retired Buy this set at eBay	Retail $9.95 Value $67.67 Growth +580.1% Annual growth 5.0% I own this set I want this set

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	317-2 Basic Building Set Theme Basic Year 1987 Pieces 68 Availability Retired Buy this set at Bricklink	Retail $5.95 Value $31.57 Growth +430.6% Annual growth 4.9% I own this set I want this set

	507 Basic Building Set Theme Basic Year 1987 Pieces 60 Availability Retired Buy this set at eBay	Retail $6.95 Value $34.59 Growth +397.7% Annual growth 4.2% I own this set I want this set

	1573 Basic Building Set Theme Basic Year 1987 Pieces / Minifigs 59 / 1 Availability Retired Buy this set at eBay Bricklink	Retail $17.99 Value $95.47 Growth +430.7% Annual growth 4.4% I own this set I want this set

	1586 Basic Set with Storage Case Theme Basic Year 1987 Pieces / Minifigs 59 / 1 Availability Retired Buy this set at eBay	Retail $15.99 Value $50.31 Growth +214.6% Annual growth 7.3% I own this set I want this set

	503 Basic Building Set Theme Basic Year 1987 Pieces 34 Availability Retired Buy this set at eBay	Retail $4.95 Value $16.01 Growth +223.4% Annual growth 2.9% I own this set I want this set

	1598 Trial Size Offer Theme Basic Year 1987 Pieces / Minifigs 33 / 1 Availability Retired Buy this set at eBay	Retail $1.49 Value $39.67 Growth +2562.4% Annual growth 7.5% I own this set I want this set

	303 Basic Building Set Theme Basic Year 1987 Pieces 33 Availability Retired Buy this set at eBay	Retail $3.99 Value $21.18 Growth +430.8% Annual growth 4.4% I own this set I want this set

	307 Basic Building Set Theme Basic Year 1987 Pieces 33 Availability Retired Buy this set at eBay Bricklink	Retail $4.99 Value $31.01 Growth +521.4% Annual growth 4.8% I own this set I want this set

	1588 Basic Building Set Theme Basic Year 1987 Pieces 27 Availability Retired Buy this set at eBay	Retail $1.49 Value $8.46 Growth +467.8% Annual growth 2.6% I own this set I want this set

	1609 Ship Theme Basic Year 1987 Pieces 27 Availability Retired Buy this set at Bricklink	Retail $5.99 Value $93.01 Growth +1452.8% Annual growth 7.3% I own this set I want this set

	1607 Helicopter Theme Basic Year 1987 Pieces 25 Availability Retired Buy this set at eBay	Retail $1.69 Value $11.65 Growth +589.3% Annual growth 6.7% I own this set I want this set

	1606 Red and Yellow Car Theme Basic Year 1987 Pieces 23 Availability Retired Buy this set at eBay	Retail $1.69 Value $11.79 Growth +597.6% Annual growth 5.8% I own this set I want this set

	1604 Basic Set Theme Basic Year 1987 Pieces 17 Availability Retired Buy this set at eBay Bricklink	Retail $8.99 Value $9.38 Growth +4.3% I own this set I want this set

My Collection

I own this set

I want this set

Set Details

Set number

527-1

Name

Basic Building Set

Theme

Basic

Year

1987

Availability

Retired

Pieces

192 (PPP $0.07)

Minifigs

1 (Value $2.90)

Set Pricing

Retail price

$12.95

New/Sealed

Value

$44.46

Growth

+243.32%

Annual growth

+3.37%

90-day change

-1.19%

Used

Value

$34.99

Range

$29.00 - $41.99

Quick Buy

eBay

Buy

Lowest price

$37.99

Highest price

$95.00

Bricklink

Buy

Lowest price

$44.99

*Listings are for new/sealed sets.

Set Predictions

New/Sealed

Today's value

$44.46

1 year forecast

$45.96+3.37%

5 year forecast

$51.87+16.67%

$49

$53

527 Basic Building Set is projected to be valued between $49 - $53 within five years.

Insights

Retired for many years, Basic Building Set (527) is a vintage Basic-era offering whose limited sealed supply has supported noticeable post-retirement appreciation, and demand is concentrated among vintage-focused buyers, while the lack of unique elements and many substitute Basic releases limit broad crossover demand and raise substitution risk.

Set Facts

The set is an extended version of set 520 and set 520-1.
It includes extra parts such as additional 1x1 and 1x2 pieces in red, blue, and yellow.

Basic Building Set Reviews

16 ratings

4.7

Collectors

Investors

Theme Analysis

Basic

Sets

402

Years

1972 - 2003

Annual growth

+3.88% (this set +3.37%)

This set's annual growth (CAGR) vs. subtheme

Community Stats

Basic Building Set currently ranks #163 out of the top most owned sets in Basic.

#1Building Plate, Green

#2X-Large Baseplate Grey

#3Brick Separator, Green

#4Universal Building Set

#5Basic Building Set

#163Basic Building Set

#164Extra Bricks Yellow

#165Baseplate, Grey

About Basic

The LEGO Basic theme, which began in the 1970s, was designed to be a more general, non-thematic series of sets. Unlike the themed sets that revolve around specific stories, characters, or concepts (e.g., space, city, or pirates), the Basic theme provided a collection of standard LEGO bricks and pieces, often in a variety of colors. The goal was to encourage free building and creativity without the confines of a specific theme or narrative.

Set Pricing Models

BrickEconomy uses a number of methods to determine the value of a set.

New/Sealed

Machine Learning/AI Model

Value (today)

$44.46

Value (in a year)

$45.96

Value (in 2 years)

$47.46

Accuracy

0.960500 Very high

Statistical Model

Value (today)

$54.58

Value (in a year)

$56.62

Value (in two years)

$58.67

Accuracy

0.235793 Very low

Used

Machine Learning/AI Model

Value (today)

$34.99

Value (low range)

$29.00

Value (high range)

$41.99

Accuracy

0.905500 High

To learn more about how we calculate pricing and forecasting, check out our article on BrickEconomy’s Approach to LEGO Pricing and Future Value Predictions.

Region · United States (USD)

Theme · Light

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