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Sets
Basic
Basic Building Set

507 LEGO Basic Building Set

Name: LEGO Basic Building Set
Brand: LEGO
SKU: 507-1
Availability: InStock
Rating: 4.5 (14 reviews)

Images 1

LEGO 507 Basic Building Set is a vintage Basic set from 1987 valued at $35 for new and sealed sets, up 397% from an original retail price of $6.95. Annual appreciation has averaged 4.20% since release. Used copies are valued between $9 and $12 depending on condition.

Set Value (New/Sealed)

This represents the current new/sealed value of the set Basic Building Set since January 1987. Medium accuracy

LEGO 507-1 Basic Building Set is a Basic theme set released in 1987, containing 60 pieces. The assortment includes classic bricks and plates in primary colors along with specialized elements such as wheel assemblies, a helicopter rotor holder, and propeller pieces. It supports simple builds like small vehicles and a helicopter, reflecting the open-ended construction focus of the Basic range.

A new and sealed Basic Building Set is currently valued at around $35, with annual growth of approximately 4%. The average used price is $10 for those in good overall condition. Based on current trends, this set could be valued near $36 within the next year. New and sealed listings currently range from $25 to $33.

All regions

All regions 2
United States 2

For Sale (New/Sealed)

	(US) Hair Swept Back with Yellow Elf Ears inv 507	BrickEconomy Choice $25.00
	(US) NEW SEALED Vintage (1987) Lego Basic Building Set 507	$47.95 +38.8%

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My Collection

I own this set

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Set Details

Set number

507-1

Name

Basic Building Set

Theme

Basic

Year

1987

Availability

Retired

Pieces

60 (PPP $0.12)

Set Pricing

Retail price

$6.95

New/Sealed

Value

$34.54

Growth

+396.98%

Annual growth

+4.20%

90-day change

-2.01%

Used

Value

$9.67

Range

$9.48 - $11.60

Quick Buy

eBay

Buy

Lowest price

$25.00

Highest price

$47.95

*Listings are for new/sealed sets.

Set Predictions

New/Sealed

Today's value

$34.54

1 year forecast

$35.99+4.20%

5 year forecast

$41.72+20.80%

$40

$43

507 Basic Building Set is projected to be valued between $40 - $43 within five years.

Insights

Released in the Basic theme and now retired, Basic Building Set (507) is a nostalgia-leaning 1980s-era pack whose sealed copies have appreciated over long horizons, and its generic Basic-line elements and frequent reissues constrain upside while keeping demand concentrated among collectors.

Set Facts

The set was sold as a general starter assortment during the late 1980s.

Basic Building Set Reviews

14 ratings

4.2

Collectors

Investors

Theme Analysis

Basic

Sets

402

Years

1972 - 2003

Annual growth

+3.91% (this set +4.20%)

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

Community Stats

Basic Building Set currently ranks #238 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

#238Basic Building Set

#239Basic Building Set

#240Racer

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.

Region · United States (USD)

Theme · Light

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