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Sets
Marvel Super Heroes
Mech Armor Collection 3 in 1

66671 LEGO Mech Armor Collection 3 in 1

Name: LEGO Mech Armor Collection 3 in 1
Brand: LEGO
SKU: 66671-1
Rating: 4.70 (21 reviews)

Images 4

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Mech Armor Collection 3 in 1 since June 2021. Very high accuracy

LEGO 66671 Mech Armor Collection 3 in 1 was a 385 piece Marvel Super Heroes set released in 2021. The current value for a new and sealed Mech Armor Collection 3 in 1 is estimated to be around $75 today, with an average annual growth of about 13.1%. However, it is expected to level off to around 10.0% annual growth next year, making it a solid investment. On secondary markets, the typical price range for the set MISB/NISB is between $65 and $92. On the open market, a used set will sell in the range of $34 and $42, depending on its condition.

All regions

All regions 16
United States 13
Canada 3

For Sale (New/Sealed)

	(CA) BrickLink store MarcBricks	$58.74 -21.7%
	(US) 3-in-1 Marvel Mech Armor Collection 66671. Complete. New in Box. Unopened.	BrickEconomy Choice $60.00 -20.0%
	(US) BrickLink store BobsBangingBricks	$70.00 -6.7%
	(US) Super Heroes: Mech Armor Collection (66671)	$70.00 -6.7%
	(US) NISB.	$75.00
	(CA) BrickLink store thunders brick den	$77.44 +3.3%
	(US) \ Undented box with possible minor shelfwear	$78.00 +4.0%
	(US) Slight print tearing/tape removal on front of box right above thor's hand.	$79.00 +5.3%
	(US) 3-in-1 Marvel Mech Armor Collection 66671. Complete. New in Box. Unopened.	$80.00 +6.7%
	(US) Marvel Super Heroes: Mech armour collection 3-in-1 (66671) - New In Box	$89.00 +18.7%
	(US) 3 in 1 Pack Super Heroes-Super Mech Pack #66635-385 pcs New	$93.50 +24.7%
	(CA) Marvel Super Heroes: Mech armour collection 3 in 1 (66671) Retired	$99.99 +33.3%
	(US) Marvel Super Heroes: Mech armour collection 3 in 1 (66671)	$100.00 +33.3%
	(US) Super Heroes: Mech Armor Collection (66671)	$100.00 +33.3%
Show 1 more listing
	(US) NEW FACTORY SEALED LEGO Super Heroes: Mech Armor Collection (66671)	$100.00 +33.3%
	(US) Super Heroes: Mech Armor Collection (66671)	$100.00 +33.3%

Sales Distribution (Last 90 Days)

This chart shows the distribution of sales for the past three months of new/sealed 66671 Mech Armor Collection 3 in 1.

Sale Trends

This chart shows the sales trends (number sold) of new/sealed 66671 Mech Armor Collection 3 in 1.

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My Collection

I own this set

I want this set

Set Details

Set number

66671-1

Name

Mech Armor Collection 3 in 1

Theme

Marvel Super Heroes

Year

2021

Availability

Retired

Pieces

385 (PPP $0.06)

Set PricingGood Investment

Retail price

$23.99

New/Sealed

Value

$75.00

Growth

+212.63%

Annual growth

+19.54%

2024 growth

+3.58%

Future growth

+10.03% (2-3 year outlook)

90-day change

7.01%

Used

Value

$35.00

Range

$34.30 - $42.00

Quick Buy

eBay

Buy

Lowest price

$60.00

Highest price

$100.00

Bricklink

Buy

Lowest price

$58.74 (CA)

Highest price

$79.00

*Listings are for new/sealed sets.

Set Predictions

New/Sealed

Today's value

$75.00

1 year forecast

$79.14+5.52%

5 year forecast

$105.66+40.89%

$103

$109

66671 Mech Armor Collection 3 in 1 is projected to be valued between $103 - $109 within five years.

Set Facts

The set was available in Costco stores in the United States.

Barcodes

UPC

673419354813

Mech Armor Collection 3 in 1 Reviews

21 ratings

4.7

Collectors

Investors

Is this LEGO set a good investment?

“Most Marvel Super Heroes sets have been increasing in value upwards of 6% per year but LEGO Mech Armor Collection 3 in 1 has consistently outperformed this by 52% with a typical yearly return of 13%. Looks like a pretty decent investment so far.”

Review brought to you by BrickEconomy Bot

Subtheme Analysis

Marvel Super Heroes

Sets

348

Years

2012 - 2025

Annual growth

+6.33% (this set +19.54%)

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

Community Stats

Mech Armor Collection 3 in 1 currently ranks #260 out of the top most owned sets in Marvel Super Heroes.

#5Bro Thor's New Asgard

#260Mech Armor Collection 3 in 1

#261Captain America

#262War Machine

About Marvel Super Heroes

The LEGO Marvel Super Heroes theme is based on the characters created by Marvel Comics. Originally Marvel was a subtheme of the LEGO Super Heroes theme but was later separated into its own theme. Over time, sets in the Marvel Super Heroes theme includes most characters and situations released to the marvel Universe from films to the comics to TV series. The first wave of Marvel sets was released in 2012 and consisted of sets based on The Avengers and the X-Men comic books as well as the Ultimate Spider-Man TV series.

Set Pricing Models

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

New/Sealed

Machine Learning/AI Model

Value (today)

$75.00

Value (in a year)

$87.46

Value (in 2 years)

$96.98

Accuracy

0.962500 Very high

Statistical Model

Value (today)

$78.90

Value (in a year)

$88.60

Value (in two years)

$98.31

Accuracy

0.694187 Medium

Used

Machine Learning/AI Model

Value (today)

$35.00

Value (low range)

$34.30

Value (high range)

$42.00

Accuracy

0.907500 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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