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Sets
Basic
Basic Building Set

517-2 LEGO Basic Building Set

Name: LEGO Basic Building Set
Brand: LEGO
SKU: 517-2
Availability: InStock
Rating: 4.6 (15 reviews)

Images 1

LEGO 517 Basic Building Set is a vintage Basic set from 1987 valued at $68 for new and sealed sets, up 580% from an original retail price of $9.95. Annual appreciation has averaged 5.04% since release. On the used market, values range from $55 to $90 based on condition.

Set Value (New/Sealed)

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

LEGO 517-2 Basic Building Set is a Basic set released in 1987, containing 115 pieces. The set comprises DUPLO-scale bricks in green and yellow, including 2x2 and 2x4 bricks as well as 2x6x2 elements with a curved center. It provides a general assortment of large-format parts for free building.

A new and sealed Basic Building Set is currently valued at around $68, with annual growth of approximately 3%. The average used price is $56 for those in good overall condition. New and sealed listings currently range from $65 to $74. Based on current trends, this set could be valued near $71 within the next year.

All regions

All regions 7
United States 7

For Sale (New/Sealed)

	(US) 517 Basic Building Set Vintage 1988 New Unopened Box 115 Pieces	BrickEconomy Choice $64.99
	(US) 517 Basic Building Set Vintage 1988 New Unopened Box 115 Pieces	$64.99 -4.0%
	(US) 517 Basic Building Set Vintage 1988 New Unopened Box 115 Pieces	$67.99 +0.5%
	(US) 517 Basic Building Set Vintage 1988 New Unopened Box 115 Pieces	$67.99 +0.5%
	(US) 517 Basic Building Set Vintage 1988 New Unopened Box 115 Pieces	$69.99 +3.4%
	(US) BASIC BUILDING SET 517 Brand New Never Opened 1987 Set	$82.50 +21.9%
	(US) Basic Building Set 517	$95.00 +40.4%

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	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

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	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

517-2

Name

Basic Building Set

Theme

Basic

Year

1987

Availability

Retired

Pieces

115 (PPP $0.09)

Set Pricing

Retail price

$9.95

New/Sealed

Value

$67.67

Growth

+580.10%

Annual growth

+5.04%

90-day change

2.35%

Used

Value

$56.17

Range

$55.10 - $90.37

Quick Buy

eBay

Buy

Lowest price

$64.99

Highest price

$95.00

*Listings are for new/sealed sets.

Set Predictions

New/Sealed

Today's value

$67.67

1 year forecast

$71.08+5.04%

5 year forecast

$84.57+24.97%

$82

$87

517-2 Basic Building Set is projected to be valued between $82 - $87 within five years.

Insights

Released before retirement and now out of production, Basic Building Set 517 from the Basic theme is a late-1980s-style vintage offering whose sealed examples have appreciated historically, and its appeal rests on nostalgia and scarcity rather than unique licensed content, while generic parts and periodic reissues temper long-term upside.

Set Facts

The set includes green Duplo bricks in 2x2, 2x4, and 2x6x2 with curved center sizes. It also features yellow Duplo bricks in the same sizes: 2x2, 2x4, and 2x6x2 with curved center.

Basic Building Set Reviews

15 ratings

4.6

Collectors

Investors

Theme Analysis

Basic

Sets

402

Years

1972 - 2003

Annual growth

+3.88% (this set +5.04%)

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

Community Stats

Basic Building Set currently ranks #206 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

#206Basic Building Set

#207Ship

#208Extra Bricks White

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)

$67.67

Value (in a year)

$71.08

Value (in 2 years)

$74.50

Accuracy

0.960500 Very high

Statistical Model

Value (today)

$79.55

Value (in a year)

$79.56

Value (in two years)

$79.57

Accuracy

0.200001 Very low

Used

Machine Learning/AI Model

Value (today)

$56.17

Value (low range)

$55.10

Value (high range)

$90.37

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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