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Sets
Basic
Basic Building Set

350-2 LEGO Basic Building Set

Name: LEGO Basic Building Set
Brand: LEGO
SKU: 350-2
Availability: InStock
Rating: 4.5 (48 reviews)

Images 1

LEGO 350 Basic Building Set is a vintage Basic set from 1985 valued at $324 for new and sealed sets, up 2064% from an original retail price of $14.95. Annual appreciation has averaged 8.85% since release. Used copies are valued between $42 and $52 depending on condition.

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Basic Building Set since January 2019. High accuracy

LEGO 350-2 Basic Building Set is a Basic theme set released in 1985, containing 311 pieces and 4 finger puppet style figures. It provides an assortment of standard bricks and elements intended for open-ended construction. The set supports building multiple small models and scenes typical of the Basic line, incorporating classic parts and colors.

A new and sealed Basic Building Set is currently valued at around $324, with annual growth of 8.9% that is expected to level off to around 3.1% in the coming year. The average used price is $43 for those in good overall condition. Based on current trends, this set could be valued near $329 within the next year. New and sealed listings currently range from $341 to $343.

All regions

All regions 2
Germany 2

For Sale (New/Sealed)

	(DE) brand NEW, one SEAL broken, please ask for photos	$341.48 +5.5%
	(DE) 350-2 Basic Building Set 3+ New Mint Sealed Toy Sealed	$343.88 +6.3%

All regions

All regions 3
United States 1
European Union 1

For Sale (Used)

	(US) Used - eBay listing for 350-2 Basic Building Set	$43.24
	(IT) Used - No box, no original instructions. Model 100% complete, mechanics perfectly wor...	$43.68
	(HU) Used - The cubes are in very good condition, the box has a slightly musty smell / A k...	$45.39

Minifigs

Basic Building Set contains the following minifigs.

4224c01

Basic Figure Finger Puppet Female

24 sets

Value $2.85

4224c02

Basic Figure Finger Puppet Male

25 sets

Value $1.45

More sets in Basic


	540 Basic Building Set Theme Basic Year 1985 Pieces / Minifigs 626 / 2 Availability Retired Buy this set at Bricklink	Retail $19.95 Value $96.76 Growth +385.0% Annual growth 3.3% I own this set I want this set

	550 Basic Building Set Theme Basic Year 1985 Pieces / Minifigs 569 / 2 Availability Retired Buy this set at eBay	Retail $42.00 Value $361.54 Growth +760.8% Annual growth 5.1% I own this set I want this set

	740 Basic Building Set Theme Basic Year 1985 Pieces 516 Availability Retired Buy this set at eBay	Retail $60.00 Value $298.67 Growth +397.8% Annual growth 4.0% I own this set I want this set

	730-2 Basic Building Set Theme Basic Year 1985 Pieces / Minifigs 429 / 2 Availability Retired Buy this set at Bricklink	Retail $30.00 Value $123.27 Growth +310.9% Annual growth 3.5% I own this set I want this set

	720 Basic Building Set Theme Basic Year 1985 Pieces / Minifigs 334 / 1 Availability Retired Buy this set at Bricklink	Retail $25.00 Value $253.59 Growth +914.4% Annual growth 5.4% I own this set I want this set

	530 Basic Building Set Theme Basic Year 1985 Pieces / Minifigs 269 / 2 Availability Retired Buy this set at Bricklink	Retail $14.95 Value $112.71 Growth +653.9% Annual growth 3.9% I own this set I want this set

	340 Basic Building Set Theme Basic Year 1985 Pieces / Minifigs 214 / 2 Availability Retired Buy this set at eBay	Retail $2.95 Value $76.43 Growth +2490.8% Annual growth 8.3% I own this set I want this set

	1962 Basic Building Set Theme Basic Year 1985 Pieces / Minifigs 211 / 1 Availability Retired Buy this set at eBay	Retail $15.00 Value $225.29 Growth +1401.9% Annual growth 6.8% I own this set I want this set

	1520 Basic Building Set with Storage Case Theme Basic Year 1985 Pieces / Minifigs 210 / 1 Availability Retired Buy this set at eBay Bricklink	Retail $16.49 Value $206.89 Growth +1154.6% Annual growth 6.4% I own this set I want this set

	520 Basic Building Set Theme Basic Year 1985 Pieces / Minifigs 165 / 1 Availability Retired Buy this set at eBay	Retail $12.95 Value $48.57 Growth +275.1% Annual growth 3.3% I own this set I want this set

	330 Basic Building Set Theme Basic Year 1985 Pieces / Minifigs 156 / 2 Availability Retired Buy this set at eBay Bricklink	Retail $9.95 Value $118.66 Growth +1092.6% Annual growth 6.2% I own this set I want this set

	510 Basic Building Set Theme Basic Year 1985 Pieces 106 Availability Retired Buy this set at eBay	Retail $3.50 Value $63.40 Growth +1711.4% Annual growth 6.7% I own this set I want this set

	320 Basic Building Set Theme Basic Year 1985 Pieces / Minifigs 77 / 1 Availability Retired Buy this set at eBay	Retail $7.97 Value $42.50 Growth +433.2% Annual growth 4.0% I own this set I want this set

	508 Basic Building Set Theme Basic Year 1985 Pieces 66 Availability Retired Buy this set at Bricklink	Retail $4.95 Value $19.74 Growth +298.8% Annual growth 2.3% I own this set I want this set

	310-4 Basic Building Set Theme Basic Year 1985 Pieces 46 Availability Retired Buy this set at eBay	Retail $5.00 Value $29.52 Growth +490.4% Annual growth 2.8% I own this set I want this set

	504 Basic Building Set Theme Basic Year 1985 Pieces 41 Availability Retired Buy this set at eBay	Retail $3.95 Value $58.90 Growth +1391.1% Annual growth 6.4% I own this set I want this set

	1548-2 Helicopter Theme Basic Year 1985 Pieces 36 Availability Retired Buy this set at eBay	promotional Value $167.63 Annual growth 5.5% I own this set I want this set

	1562-2 Basic Building Set Theme Basic Year 1985 Pieces 32 Availability Retired Buy this set at eBay	Retail $4.00 Value $10.17 Growth +154.3% Annual growth 2.3% I own this set I want this set

	1965 Building Set Trial Size Offer Theme Basic Year 1985 Pieces / Minifigs 32 / 1 Availability Retired Buy this set at eBay Bricklink	Retail $1.50 Value $125.00 Growth +8233.3% Annual growth 14.0% I own this set I want this set

	304 Basic Building Set Theme Basic Year 1985 Pieces 31 Availability Retired Buy this set at eBay	Retail $2.00 Value $15.31 Growth +665.5% Annual growth 3.7% I own this set I want this set

	308-2 Basic Building Set Theme Basic Year 1985 Pieces 30 Availability Retired Buy this set at eBay	Retail $3.00 Value $29.53 Growth +884.3% Annual growth 5.7% I own this set I want this set

	1964 Basic Building Set Theme Basic Year 1985 Pieces 27 Availability Retired Buy this set at eBay Bricklink	Retail $1.49 Value $25.00 Growth +1577.9% Annual growth 7.1% I own this set I want this set

	1546 Aircraft Theme Basic Year 1985 Pieces / Minifigs 26 / 1 Availability Retired Buy this set at Bricklink	promotional Value $100.82 Annual growth 10.4% I own this set I want this set

	1551 Duck Theme Basic Year 1985 Pieces 6 Availability Retired Buy this set at eBay	Retail $0.40 Value $5.00 Growth +1150.0% Annual growth 8.7% I own this set I want this set

	293-2 Basic Building Set Theme Basic Year 1985 Availability Retired	Retail $7.00 I own this set I want this set

My Collection

I own this set

I want this set

Set Details

Set number

350-2

Name

Basic Building Set

Theme

Basic

Year

1985

Availability

Retired

Pieces

311 (PPP $0.05)

Minifigs

4 (Value $8.60)

Set Pricing

Retail price

$14.95

New/Sealed

Value

$323.57

Growth

+2064.35%

Annual growth

+8.85% Decreasing

Rolling growth

+8.11% (Previous 12 months)

Future growth

+3.10% (2-3 year outlook)

90-day change

27.33%

Used

Value

$43.24

Range

$42.37 - $51.88

Quick Buy

eBay

Buy

Lowest price

$341.30

Highest price

$343.88

Bricklink

Buy

Lowest price

$341.48 (DE)

*Listings are for new/sealed sets.

Set Predictions

New/Sealed

Today's value

$323.57

1 year forecast

$329.09+1.70%

5 year forecast

$370.75+14.58%

$353

$382

350-2 Basic Building Set is projected to be valued between $353 - $382 within five years.

Insights

Released long ago and now retired, Basic Building Set 350 is a long-retirement Basic-theme item with uncommon finger-puppet figures, and its scarcity of sealed copies has driven collector premiums, while mainstream demand and liquidity remain limited compared with flagship themes.

Set Facts

The set contains a selection of standard bricks in 2 x 2, 2 x 3, 2 x 4, and larger sizes in black, blue, red, and white colors. It features arches in blue and red, plant elements including trees and flowers in green, blue, and red, and several modified bricks for wheel attachments with matching wheels and tires in black and red. The set also includes a large green baseplate (8 x 16) and transparent elements like a 2 x 2 brick and a 2 x 4 x 2 windscreen.

Basic Building Set Reviews

48 ratings

4.5

Collectors

Investors

Theme Analysis

Basic

Sets

402

Years

1972 - 2003

Annual growth

+3.90% (this set +8.85%)

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

Community Stats

Basic Building Set currently ranks #329 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

#329Basic Building Set

#330Basic Building Set

#331Baseplates, Red and Blue

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)

$323.57

Value (in a year)

$349.93

Value (in 2 years)

$373.49

Accuracy

0.960200 Very high

Statistical Model

Value (today)

$307.89

Value (in a year)

(Possible plateau)

Value (in two years)

(Possible plateau)

Accuracy

0.571860 Medium

Used

Machine Learning/AI Model

Value (today)

$43.24

Value (low range)

$42.37

Value (high range)

$51.88

Accuracy

0.905200 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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