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Sets
Harry Potter
Promotional
Platform 9 3/4

6541140 LEGO Harry Potter Platform 9 3/4

Name: LEGO Harry Potter Platform 9 3/4
Brand: LEGO
SKU: 6541140-1
Availability: InStock
Rating: 4.80 (29 reviews)

Images 2

6541140 LEGO Harry Potter Platform 9 3/4

LEGO 6541140 Platform 9 3/4 is a Harry Potter set currently valued at $30 for new and sealed sets. The set retired in August 2024 with annual appreciation averaging 34.20% since. Used copies are valued between $24 and $37 depending on condition. Secondary market prices for new and sealed sets typically fall between $28 and $35.

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Platform 9 3/4 since August 2024. Very high accuracy

LEGO 6541140-1 Platform 9 3/4 is a Harry Potter promotional set released in 2024, containing 103 pieces. It was a free Barnes & Noble build distributed at the Back to Hogwarts event held at stores across the United States on August 24, 2024. The model depicts a luggage cart passing through the brick wall to reach Platform 9 3/4 and includes a small wall section with signage. It was supplied in a plastic bag with a color printed instruction booklet.

A new and sealed Platform 9 3/4 is currently valued at around $30. The average used price is $25 for those in good overall condition. Based on current trends, this set could be valued near $32 within the next year. New and sealed listings currently range from $29 to $39.

All regions

All regions 19
United States 19

For Sale (New/Sealed)

	(US) Harry Potter Platform 9 Polybag 103 Pieces Set 30420 MPN 6541140	BrickEconomy Choice $22.00
	(US) Harry Potter Platform 9 3/4 Barnes & Noble EXCLUSIVE SET 6541140 RARE NEW	$23.99 -20.0%
	(US) HARRY POTTER PLATFORM 9 3/4 BARNES & NOBLE EXCLUSIVE SET 6541140 RARE NEW	$27.99 -6.7%
	(US) Harry Potter 6541140 Platform 9 3/4 Complete Set	$29.00 -3.3%
	(US) Harry Potter Platform 9 3/4 (Set # 6541140) Barnes & Noble Exclusive NEW	$29.34 -2.2%
	(US) Harry Potter Barnes & Noble Exclusive Set 6541140 Platform 9 3/4 Rare NEW	$29.99
	(US) Harry Potter Lego Set Barnes & Noble Exclusive RARE 6541140 Platform 9 3/4.	$29.99
	(US) HARRY POTTER PLATFORM 9 3/4 BARNES & NOBLE EXCLUSIVE SET 6541140 RARE NEW	$29.99
	(US) Harry Potter Lego Set Barnes & Noble Exclusive RARE 6541140 Platform 9 3/4. New	$34.50 +15.0%
	(US) Harry Potter Lego Set Barnes & Noble Exclusive RARE 6541140 Platform 9 3/4.	$34.88 +16.3%
	(US) Harry Potter Lego Set Barnes & Noble Exclusive 6541140 Platform 9 3/4 A2	$34.99 +16.7%
	(US) Harry Potter Barnes & Noble Exclusive Set 6541140 Platform 9 3/4 - RARE	$35.00 +16.7%
	(US) New in bag	$37.00 +23.4%
	(US) Never built. Still in store zip bag with instructions	$38.00 +26.7%
Show 4 more listings
	(US) Harry Potter Lego Set Barnes & Noble Exclusive RARE #6541140 Platform 9 3/4 New	$38.69 +29.0%
	(US) NEW IN STORE BAG. NEVER BUILT. COMPLETE WITH INSTRUCTIONS	$40.00 +33.4%
	(US) New in store bag; never assembled.	$40.00 +33.4%
	(US) Harry Potter Lego Set Barnes & Noble Exclusive - RARE 6541140 Platform 9 3/4.	$49.99 +66.7%
	(US) Brand New NEVER OPENED Platform 9 3/4 Lego Exclusive Barnes & Noble 6541140	$50.00 +66.7%

Sales Distribution (Last 90 Days)

This chart shows the distribution of sales for the past three months of new/sealed 6541140 Platform 9 3/4.

Sale Trends

This chart shows the sales trends (number sold) of new/sealed 6541140 Platform 9 3/4.

Sets in Harry Potter / Promotional


	Harry Potter Coca Cola Gift Set Theme / Subtheme Harry Potter / Promotional Year 2002 Pieces 540 Availability Retired Buy this set at eBay	promotional Value $415.26 Annual growth 28.6% I own this set I want this set

	40289 Diagon Alley Theme / Subtheme Harry Potter / Promotional Year 2018 Pieces / Minifigs 374 / 1 Availability Retired Buy this set at Amazon eBay Bricklink	promotional Value $47.17 Annual growth 8.8% I own this set I want this set

	30628 Monster Book of Monsters Theme / Subtheme Harry Potter / Promotional Year 2020 Pieces / Minifigs 316 / 1 Availability Retired Buy this set at Amazon eBay StockX Bricklink	Retail $19.99 Value $34.99 Growth +75.0% Annual growth 10.6% I own this set I want this set

	40577 Hogwarts Grand Staircase Theme / Subtheme Harry Potter / Promotional Year 2022 Pieces / Minifigs 218 / 1 Availability Retired Buy this set at Amazon eBay StockX Bricklink	promotional Value $74.74 Annual growth 4.6% I own this set I want this set

	40598 Gringotts Vault Theme / Subtheme Harry Potter / Promotional Year 2023 Pieces / Minifigs 212 / 1 Availability Retired Buy this set at Amazon eBay Bricklink	promotional Value $99.71 Annual growth 13.3% I own this set I want this set

	40770 Hogwarts Castle Room of Requirement Theme / Subtheme Harry Potter / Promotional Year 2025 Pieces / Minifigs 202 / 1 Availability Retired Buy this set at eBay Bricklink	promotional Value $60.00 I own this set I want this set

	40695 Borgin and Burkes Floo Network Theme / Subtheme Harry Potter / Promotional Year 2024 Pieces / Minifigs 190 / 1 Availability Retired Buy this set at Amazon eBay Bricklink	promotional Value $40.00 Annual growth 6.3% I own this set I want this set

	40901 Ministry Munchies & The Daily Prophet Stands Theme / Subtheme Harry Potter / Promotional Year 2026 Pieces / Minifigs 152 / 3 Availability Pending release Buy this set at eBay	Retail $19.99 Not yet released Available August 29 I own this set I want this set

	40452 Hogwarts Gryffindor Dorms Theme / Subtheme Harry Potter / Promotional Year 2021 Pieces / Minifigs 148 / 2 Availability Retired Buy this set at Amazon eBay StockX	promotional Value $60.31 Annual growth 5.2% I own this set I want this set

	6565158 Butterbeer Truck Theme / Subtheme Harry Potter / Promotional Year 2025 Pieces 61 Availability Retired Buy this set at eBay	promotional Value $28.62 Annual growth 15.8% I own this set I want this set

	6545695 Hogwarts Express Theme / Subtheme Harry Potter / Promotional Year 2024 Pieces 42 Availability Retired Buy this set at eBay Bricklink	promotional Value $12.00 Annual growth 2.3% I own this set I want this set

	Quidditch Tower Theme / Subtheme Harry Potter / Promotional Year 2002 Pieces 38 Availability Retired Buy this set at Bricklink	promotional Value $69.63 Annual growth 5.4% I own this set I want this set

	6385434 Golden Snitch Theme / Subtheme Harry Potter / Promotional Year 2018 Pieces 35 Availability Retired Buy this set at Bricklink	promotional Value $16.49 Annual growth 5.2% I own this set I want this set

	Golden Snitch Theme / Subtheme Harry Potter / Promotional Year 2019 Pieces 35 Availability Retired Buy this set at eBay	promotional Value $44.59 Annual growth 15.4% I own this set I want this set

	6482525 Wand Theme / Subtheme Harry Potter / Promotional Year 2023 Pieces 26 Availability Retired Buy this set at eBay Bricklink	promotional Value $9.56 Annual growth 13.4% I own this set I want this set

	5005254 Harry Potter Minifigure Collection Theme / Subtheme Harry Potter / Promotional Year 2018 Pieces / Minifigs 25 / 4 Availability Retired Buy this set at Amazon eBay Bricklink	Retail $7.99 Value $35.71 Growth +346.9% Annual growth 21.0% I own this set I want this set

	Harry Potter Minifigure Collection Gallery 3 Theme / Subtheme Harry Potter / Promotional Year 2002 Pieces / Minifigs 23 / 4 Availability Retired Buy this set at Bricklink	promotional Value $774.93 Annual growth 5.5% I own this set I want this set

	Harry Potter Minifigure Collection Gallery 4 Theme / Subtheme Harry Potter / Promotional Year 2002 Pieces / Minifigs 23 / 5 Availability Retired Buy this set at Bricklink	promotional Value $197.19 Annual growth 16.8% I own this set I want this set

	Harry Potter Minifigure Collection Gallery 1 Theme / Subtheme Harry Potter / Promotional Year 2002 Pieces / Minifigs 20 / 4 Availability Retired Buy this set at Bricklink	promotional Value $54.09 Annual growth 18.1% I own this set I want this set

	Harry Potter Minifigure Collection Gallery 2 Theme / Subtheme Harry Potter / Promotional Year 2002 Pieces / Minifigs 17 / 4 Availability Retired Buy this set at Bricklink	promotional Value $103.41 Annual growth 10.6% I own this set I want this set

	San Diego Comic-Con Harry Potter Minifigure Theme / Subtheme Harry Potter / Promotional Year 2011 Pieces 5 Availability Retired Buy this set at eBay	promotional Value $24.99 Annual growth 5.2% I own this set I want this set

	San Diego Comic-Con Voldemort Minifigure Theme / Subtheme Harry Potter / Promotional Year 2011 Pieces 5 Availability Retired Buy this set at eBay	promotional Value $80.34 Annual growth 26.0% I own this set I want this set

My Collection

I own this set

I want this set

Set Details

Set number

6541140-1

Name

Platform 9 3/4

Theme

Harry Potter

Subtheme

Promotional

Year

2024

Released/retired

August 24, 2024

Availability

Retired

Pieces

103

Set Pricing

Retail price

Free promotional

New/Sealed

Value

$29.99

Annual growth

+34.20% Decreasing

Rolling growth

+1.49% (Previous 12 months)

Future growth

+12.16% (2-3 year outlook)

90-day change

-1.70%

Used

Value

$24.89

Range

$24.42 - $36.95

Quick Buy

eBay

Buy

Lowest price

$22.00

Highest price

$50.00

Bricklink

Buy

Lowest price

$37.00

Highest price

$40.00

*Listings are for new/sealed sets.

Set Predictions

New/Sealed

Today's value

$29.99

1 year forecast

$32.00+6.69%

5 year forecast

$44.85+49.54%

$43

$46

6541140 Platform 9 3/4 is projected to be valued between $43 - $46 within five years.

Insights

A Barnes & Noble single-day promotional release, Platform 9 3/4 (2024) draws on a recognizable Harry Potter location and limited regional distribution to create scarcity-driven interest, and the lack of an exclusive minifigure plus risk of similar small promos tempers upside and can add short-term volatility.

Set Facts

The set was packaged in a Ziplock bag along with an instruction booklet.
The 103-piece model is constructed over 39 steps, displaying a cart being pushed through the magical wall leading to the platform.

Platform 9 3/4 Reviews

29 reviews

4.8

Collectors

Investors

Brick Fanatics

“On August 24, an event for Back to Hogwarts was held at Barnes & Noble stores around the US was held, giving away a free copy of LEGO Harry Potter 6541140 Platform 9¾. The event is now over and it may be hard to track down the set.”

Full review at www.brickfanatics.com

Subtheme Analysis

Harry Potter / Promotional

Sets

Years

2002 - 2026

Annual growth

+5.87% (this set +34.20%)

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

Community Stats

Platform 9 3/4 currently ranks #10 out of the top most owned sets in Harry Potter Promotional.

#1Monster Book of Monsters

#2Gringotts Vault

#3Hogwarts Gryffindor Dorms

#4Hogwarts Grand Staircase

#5Borgin and Burkes Floo Network

#10Platform 9 3/4

#11Golden Snitch

#12Butterbeer Truck

About Harry Potter Promotional

LEGO Harry Potter is a LEGO theme licensed from Warner Bros. and based on the book series by J. K. Rowling. Harry Potter was initially introduced in 2001 and released sets with each of the 8 movies. Each theme contained a subtheme that directly related to each of the films in the franchise.

Promotional was introduced in 2002 and currently consists of 23 sets. As of today, Harry Potter Minifigure Collection Gallery 3 is the most valuable Promotional set with an estimated new/factory sealed value of $775.

Set Pricing Models

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

New/Sealed

Machine Learning/AI Model

Value (today)

$29.99

Value (in a year)

$36.66

Value (in 2 years)

$41.29

Accuracy

0.961800 Very high

Statistical Model

Value (today)

$29.68

Value (in a year)

(Possible plateau)

Value (in two years)

(Possible plateau)

Accuracy

0.377099 Low

Used

Machine Learning/AI Model

Value (today)

$24.89

Value (low range)

$24.42

Value (high range)

$36.95

Accuracy

0.906800 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.

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