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Sets
Basic
Basic Building Set

307 LEGO Basic Building Set

Name: LEGO Basic Building Set
Brand: LEGO
SKU: 307-1
Availability: InStock
Rating: 4.5 (12 reviews)

Images 1

LEGO 307 Basic Building Set is a vintage Basic set from 1987 valued at $31 for new and sealed sets, up 514% from an original retail price of $4.99. Annual appreciation has averaged 4.77% since release. Used copies are valued between $1 and $14 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 307-1 Basic Building Set is a Basic theme set released in 1987, containing 33 pieces. It includes an assortment of standard bricks in red, blue, yellow, white, and black, plus a wheel-and-axle brick with tires and a 2 x 4 x 2 vertical windscreen for simple vehicle builds. The selection also features common 2 x 2, 2 x 3, and 2 x 4 bricks alongside a large 4 x 12 element to form basic structures.

A new and sealed Basic Building Set is currently valued at around $31, with annual growth of approximately 5%. The average used price is $1 for those in good overall condition. Based on current trends, this set could be valued near $32 within the next year.

All regions

All regions 1
United States 1

For Sale (New/Sealed)

(US) NEW SEALED Vintage (1987) Lego Basic Building Set 307

BrickEconomy Choice

$47.95

All regions

All regions 2
United States 2

For Sale (Used)

	(US) Used - 320 Basic Building Set, 3+ 100% Complete	$12.50
	(US) Used - Basic: Basic Building Set (330)	$15.00

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My Collection

I own this set

I want this set

Set Details

Set number

307-1

Name

Basic Building Set

Theme

Basic

Year

1987

Availability

Retired

Pieces

33 (PPP $0.15)

Set Pricing

Retail price

$4.99

New/Sealed

Value

$30.66

Growth

+514.43%

Annual growth

+4.77%

90-day change

1.02%

Used

Value

$1.15

Range

$1.08 - $13.58

Quick Buy

eBay

Buy

Lowest price

$47.95

*Listings are for new/sealed sets.

Set Predictions

New/Sealed

Today's value

$30.66

1 year forecast

$32.12+4.77%

5 year forecast

$37.90+23.62%

$36

$39

307 Basic Building Set is projected to be valued between $36 - $39 within five years.

Insights

Retired Basic 307 from the Basic theme has age-driven scarcity for sealed examples, and Basic Building Set shows signs of post-retirement sealed appreciation, and its generic parts and lack of unique elements create substitution risk and muted demand among casual buyers.

Set Facts

As part of the 1980s Basic line, it was designed for open-ended construction.

Basic Building Set Reviews

12 ratings

4.5

Collectors

Investors

Theme Analysis

Basic

Sets

402

Years

1972 - 2003

Annual growth

+3.90% (this set +4.77%)

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

Community Stats

Basic Building Set currently ranks #396 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

#396Basic Building Set

#397Basic Building Set

#398Basic Building Set

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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