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Sets
Basic
Basic Set

1603 LEGO Basic Set

Name: LEGO Basic Set
Brand: LEGO
SKU: 1603-1
Availability: InStock
Rating: 4.5 (16 reviews)

Images 3

LEGO 1603 Basic Set is a vintage Basic set from 1987 valued at $10 for new and sealed sets, up 43% from an original retail price of $6.99. Annual appreciation has averaged 0.92% since release. On the used market, values range from $4 to $9 based on condition. Secondary market prices for new and sealed sets typically fall between $8 and $10.

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Basic Set since June 2016. Very high accuracy

LEGO 1603 Trial Size Imagination polybag is a small Basic assortment released as a promotional item containing a selection of red and yellow system bricks. The contents consist entirely of core brick elements in multiple sizes, including 2 x 2, 2 x 3, 2 x 4, and 2 x 8 bricks, along with one decorated yellow 2 x 2 brick featuring an offset eye pattern. Designed as a minimal introductory sampler, the polybag provides enough pieces for simple abstract builds while highlighting the Imagination line’s focus on unrestricted creative construction. All elements are standard system bricks without specialized accessories.

A new and sealed Basic Set is currently valued at around $10. The average used price is $8 for those in good overall condition. New and sealed listings currently range from $8 to $13. Based on current trends, this set could be valued near $10 within the next year.

All regions

All regions 5
United States 4

For Sale (New/Sealed)

	(US) BrickLink store Missing Brick	$7.00 -30.0%
	(CZ) Brand New	$8.14 -18.6%
	(US) VINTAGE 1993 LEGO SYSTEM 1603 TRIAL SIZE IMAGINATION SEALED	BrickEconomy Choice $10.00
	(US) VINTAGE 1993 LEGO SYSTEM 1603 TRIAL SIZE IMAGINATION SEALED	$10.00
	(US) System 1603 NEW Vintage 1993 Trial Size Imagination Set.	$12.50 +25.0%

Sales Distribution (Last 90 Days)

This chart shows the distribution of sales for the past three months of new/sealed 1603 Basic Set.

Related Sets


	1604 Basic Set Theme Basic Year 1987 Pieces 17 Availability Retired Buy this set at eBay Bricklink	Retail $8.99 Value $9.40 Growth +4.6% I own this set I want this set

	1602 Basic Set Theme Basic Year 1987 Pieces 16 Availability Retired Buy this set at eBay	Retail $19.99 Value $12.99 I own this set I want this set

	1605 Basic Set Theme Basic Year 1987 Pieces 14 Availability Retired Buy this set at eBay	Retail $9.99 Value $15.87 Growth +58.9% Annual growth 1.2% I own this set I want this set

More sets in Basic


	557 Basic Building Set Theme Basic Year 1987 Pieces / Minifigs 711 / 2 Availability Retired Buy this set at Bricklink	Retail $15.49 Value $352.16 Growth +2173.5% 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 $45.22 Growth +67.5% Annual growth 5.2% 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 $695.54 Growth +4540.0% Annual growth 10.3% 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 $76.93 Growth +284.7% 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 $103.33 Growth +416.7% 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 12.7% I own this set I want this set

	537 Basic Building Set Theme Basic Year 1987 Pieces / Minifigs 259 / 2 Availability Retired Buy this set at eBay Bricklink	Retail $20.00 Value $149.99 Growth +650.0% Annual growth 5.2% I own this set I want this set

	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

	337 Basic Building Set Theme Basic Year 1987 Pieces / Minifigs 212 / 2 Availability Retired Buy this set at eBay	Retail $12.99 Value $61.31 Growth +372.0% Annual growth 4.1% I own this set I want this set

	527 Basic Building Set Theme Basic Year 1987 Pieces / Minifigs 192 / 1 Availability Retired Buy this set at eBay	Retail $12.95 Value $44.99 Growth +247.4% Annual growth 4.1% I own this set I want this set

	517-2 Basic Building Set Theme Basic Year 1987 Pieces 115 Availability Retired Buy this set at eBay	Retail $9.95 Value $91.06 Growth +815.2% Annual growth 5.8% I own this set I want this set

	1599 Airliner Theme Basic Year 1987 Pieces 102 Availability Retired Buy this set at eBay	Retail $4.99 Value $118.67 Growth +2278.2% Annual growth 4.0% I own this set I want this set

	327 Basic Building Set Theme Basic Year 1987 Pieces / Minifigs 102 / 1 Availability Retired Buy this set at eBay	Retail $15.99 Value $35.00 Growth +118.9% Annual growth 3.4% I own this set I want this set

	317-2 Basic Building Set Theme Basic Year 1987 Pieces 68 Availability Retired Buy this set at Bricklink	Retail $5.95 Value $31.19 Growth +424.2% 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 $35.40 Growth +409.4% Annual growth 4.3% 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 $94.32 Growth +424.3% Annual growth 4.3% 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 Bricklink	Retail $15.99 Value $47.29 Growth +195.7% Annual growth 8.1% 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 $17.38 Growth +251.1% Annual growth 2.8% 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 $44.87 Growth +2911.4% Annual growth 7.9% 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 $21.81 Growth +446.6% Annual growth 2.4% 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	Retail $4.99 Value $30.54 Growth +512.0% 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 $10.46 Growth +602.0% Annual growth 3.6% 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 $91.05 Growth +1420.0% Annual growth 7.2% I own this set I want this set

	1607 Helicopter Theme Basic Year 1987 Pieces 25 Availability Retired Buy this set at eBay Bricklink	Retail $1.69 Value $8.25 Growth +388.2% Annual growth 6.5% 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 Bricklink	Retail $1.69 Value $9.37 Growth +454.4% Annual growth 5.5% I own this set I want this set

My Collection

I own this set

I want this set

Set Details

Set number

1603-1

Name

Basic Set

Theme

Basic

Year

1987

Availability

Retired

Packaging

Polybag

Pieces

13 (PPP $0.54)

Set Pricing

Retail price

$6.99

New/Sealed

Value

$10.00

Growth

+43.06%

Annual growth

+0.92%

Rolling growth

+8.43% (Previous 12 months)

Used

Value

$8.30

Range

$4.22 - $9.24

Quick Buy

eBay

Buy

Lowest price

$10.00

Highest price

$12.50

Bricklink

Buy

Lowest price

$7.00

Highest price

$8.14

*Listings are for new/sealed sets.

Set Predictions

New/Sealed

Today's value

$10.00

1 year forecast

$10.09+0.92%

5 year forecast

$10.46+4.62%

$10

$11

1603 Basic Set is projected to be valued between $10 - $11 within five years.

Insights

Released decades ago and retired, Basic Set 1603 is a vintage Basic box tied to nostalgia and sealed-condition collecting, and its long retirement creates scarcity while generic contents and lack of exclusive elements limit broader collector demand.

Set Facts

The set includes a decorated yellow 2 x 2 brick with an offset eye print, serving as the only character-suggestive element in the assortment.
Its remaining bricks are standard red and yellow system elements intended for freeform building.
The polybag acts as a trial-size sampler associated with the Imagination branding, emphasizing basic brick play.

Basic Set Reviews

16 ratings

4.4

Collectors

Investors

Theme Analysis

Basic

Sets

402

Years

1972 - 2003

Annual growth

+3.89% (this set +0.92%)

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

Community Stats

Basic Set currently ranks #156 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

#156Basic Set

#157Doors and Windows

#158Universal 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.

Set Pricing Models

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

New/Sealed

Machine Learning/AI Model

Value (today)

$10.00

Value (in a year)

$10.09

Value (in 2 years)

$10.18

Accuracy

0.960600 Very high

Statistical Model

Value (today)

$6.89

Value (in a year)

$6.90

Value (in two years)

$6.91

Accuracy

0.200063 Very low

Used

Machine Learning/AI Model

Value (today)

$8.30

Value (low range)

$4.22

Value (high range)

$9.24

Accuracy

0.905600 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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