LEGO 66671 Mech Armor Collection 3 in 1

Name: LEGO Mech Armor Collection 3 in 1
Brand: LEGO
SKU: 66671-1
Availability: InStock
Rating: 4.70 (22 reviews)

LEGO 66671 Mech Armor Collection 3 in 1 is a Marvel Super Heroes set currently valued at $76 for new and sealed sets. Annual appreciation has averaged 15.49% since release. Used copies are valued between $34 and $42 depending on condition. Secondary market prices for new and sealed sets typically fall between $74 and $89. Momentum is steady as more listings appear, balancing against faster growth than similar retired Marvel sets.

Mech Armor Collection 3 in 1 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 is a Marvel Super Heroes value pack released in 2021, containing 385 pieces and 3 minifigures. It bundles sets 76168 Captain America Mech Armor, 76169 Thor Mech Armor, and 76171 Miles Morales Mech Armor. Each build assembles a posable mech with an opening cockpit for the included minifigure and character-specific accessories such as Captain America’s shield, Thor’s Mjölnir, and Miles Morales web elements. The pack was a U.S. retailer exclusive available at Costco.

A new, sealed Mech Armor Collection 3 in 1 is worth around $76 today. It has grown about 15.5% a year since retirement, and our forecast has it 13% higher a year from now. The average used price is $35 for those in good overall condition. New and sealed listings currently range from $75 to $100.

Collector and Investor Standing

Marvel Super Heroes gives collectors plenty to chase, but this mech armor collection draws a smaller crowd. Investors see it differently: the theme has held its value well over time, putting the collection in strong company.

42/100

Collector

A few keen fans

Mech armor collection draws a smaller crowd

83/100

Investor

Top of the field

Marvel's record supports its strong standing

For Sale (New/Sealed)

	(CA) Marvel Mech Armor Collection 66671 3-in-1 Spider-Man Thor 385 pc New Sealed	$65.93 -13.2%
	(CA) Marvel Mech Armor Collection 66671 3-in-1 Spider-Man Thor 385 pcs New	$67.29 -11.4%
	(CA) Marvel Mech Armor Collection 3 In 1 Pack 66671 New/Sealed in Box - RETIRED	$71.49 -5.8%
	(US) Marvel Super Heroes 3-in-1 Mech Armor Collection 66671 385 pcs	BrickEconomy Choice $74.99 -1.2%
	(US) NIB LEGO 385 pcs Marvel Super Heroes 3-in-1 Mech Armor Collection 66671	$74.99 -1.2%
	(AU) NEW Retired LEGO Super Heroes: Mech Armor Collection (66671) 3 in 1	$83.04 +9.4%
	(US) Marvel 66671 Mech Armor 3-in-1 Pack 76168 76169 76171 NEW Sealed	$84.21 +10.9%
	(US) 66671 Marvel Mech Armor Collection 3-in-1 Pack (76168 76169 76171) NEW	$87.00 +14.6%
	(US) Mech Armor Collection 3 in 1 from BrickLink seller rudymichel	$90.00 +18.5%
	(AU) NEW Retired LEGO Super Heroes: Mech Armor Collection (66671) 3 in 1	$97.57 +28.5%
	(US) Marvel Super Heroes: Mech armour collection 3 in 1 (66671)	$100.00 +31.7%
	(US) NEW FACTORY SEALED LEGO Super Heroes: Mech Armor Collection (66671)	$100.00 +31.7%
	(US) Super Heroes: Mech Armor Collection (66671) 76169 76171 76168 3-in-1 Pack	$100.00 +31.7%
	(US) Mech Armor Collection 3 in 1 from BrickLink seller MariettaBricks	$100.00 +31.7%
Picked for your regionShow 1 more listing
	(CA) Marvel Super Heroes: Mech armour collection 3 in 1 (66671) Retired	$129.99 +71.2%
	(US) Mech Armor Collection 3 in 1 from BrickLink seller Goldenfigger	$198.00 +160.8%

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 of new/sealed 66671 Mech Armor Collection 3 in 1.

Market Momentum

Neutral

Listings for the 66671 Mech Armor Collection 3 in 1 are increasing, while member interest stays steady. The set is holding level right now because more copies are hitting the market. It ranks as the fifth-fastest-growing retired Marvel Super Heroes set over the past year.

BearishBullish

DemandBottom 25% in Marvel Super Heroes

Moderate demand

12 months agoToday

SupplyTypical for Marvel Super Heroes

Listings up 80% this month

12 months agoToday

Growth vs peers+6% typical for Marvel Super Heroes

+1% over the past year

12 months agoToday

Outlook:39% bearish·42% neutral·19% bullish

Why it's moving, signals and outlook

Compared with other 2021 Marvel Super Heroes sets

Mech Armor Collection 3 in 1 stands among the leaders of the 2021 Marvel Super Heroes sets, and the numbers show why. Fewer copies are for sale than of any set ranked below it and most sets below it cost far more at launch.

#4 of 31

By growth since retail, +217%

+0%+300%

In the top quarter of the group.

$0.20 a piece

New and sealed value per piece

This set

$0.20

Typical

$0.17

About 15% above the group's typical value per piece.

#25 of 37

Used value as a share of new, 46%

26%85%

In the bottom half of the group.

#89 of 337 retired Marvel Super Heroes sets

Wanted for each member who owns it

This set

Typical

About 50% above the rate of retired Marvel Super Heroes sets.

Top sets by growth		Year	Since retail
1	76168 Captain America Mech Armor	2021	+300%
2	76169 Thor Mech Armor	2021	+250%
3	40454 Spider-Man versus Venom and Iron Venom	2021	+233%
4	66671 Mech Armor Collection 3 in 1	2021	+217%

Related Sets


	76169 Thor Mech Armor Theme / Subtheme Marvel Super Heroes / Avengers Year 2021 Pieces / Minifigs 139 / 1 Availability Retired Buy this set at Amazon eBay BrickLink	Retail $9.99 Value $34.94 Growth +249.7% Annual growth 19.6% I own this set I want this set

	76171 Miles Morales Mech Armor Theme / Subtheme Marvel Super Heroes / Spider-Man Year 2021 Pieces / Minifigs 125 / 1 Availability Retired Buy this set at Amazon eBay BrickLink	Retail $9.99 Value $20.00 Growth +100.2% Annual growth 10.4% I own this set I want this set

	76168 Captain America Mech Armor Theme / Subtheme Marvel Super Heroes / Avengers Year 2021 Pieces / Minifigs 121 / 1 Availability Retired Buy this set at Amazon eBay BrickLink	Retail $9.99 Value $40.00 Growth +300.4% Annual growth 23.7% I own this set I want this set

Mech Armor Collection 3 in 1 Questions

What does LEGO 66671 Mech Armor Collection 3 in 1 sell for now?

A new, sealed copy of Mech Armor Collection 3 in 1 is worth about $76 today, and most sealed copies sell for between $74 and $89. That is down 5% on three months ago. On the used market, expect to pay around $35.

Can you still buy LEGO 66671 Mech Armor Collection 3 in 1 from LEGO?

No. Mech Armor Collection 3 in 1 is retired. New copies now come only from the secondary market, where sellers on eBay and BrickLink set the price.

Is LEGO 66671 Mech Armor Collection 3 in 1 worth more than it cost?

Yes, by a wide margin. Mech Armor Collection 3 in 1 is now worth 217% more than its $23.99 retail price, about 15.5% a year.

Will LEGO 66671 Mech Armor Collection 3 in 1 go up in value?

Our forecast says yes. By this time next year, the forecast has Mech Armor Collection 3 in 1 near $86, about 13% more than today. The short-term market reading is neutral. The market signals are balanced for now. This is an estimate and markets can change.

What is the piece count of LEGO 66671 Mech Armor Collection 3 in 1?

Mech Armor Collection 3 in 1 is built from 385 pieces, or $0.06 per piece at retail.

Top lists

Most Valuable LEGO Marvel Sets Top LEGO Marvel Sets by Growth Most Owned LEGO Marvel Sets Top LEGO Sets by Growth 2020s

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 Pricing

Retail price

$23.99

New/Sealed

Value

$75.93

Growth

+216.51%

Annual growth

+15.49%

2025 growth

+3.37%

90-day change

-4.74%

1-year growth

+13.26% (12 month outlook)

Future growth

+7.27% (2-5 year outlook)

Used

Value

$35.00

Range

$34.30 - $42.00

Quick Buy

eBay

In stockBuy

Best price

$65.93

BrickLink

Buy

Lowest price

$90.00

*Listings are for new/sealed sets.

Set Predictions

New/Sealed

Today's value

$75.93

1 year forecast

$86.00+13.26%

5 year forecast

$113.87+49.97%

Weaker outlook

Stronger outlook

The forecast puts 66671 Mech Armor Collection 3 in 1 at about $113.87 in five years. That outlook ranks among the strongest of all sets.

Insights

Retailer-limited multipack status makes Mech Armor Collection 3 in 1 (Marvel Super Heroes) a scarce sealed-bundle item since its retirement, and that constrained availability has driven short-term premiums, while lack of exclusive minifigure content and frequent mech refreshes limit longer-term upside and raise remake risk.

Set Facts

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

Barcodes

UPC

673419354813

Mech Armor Collection 3 in 1 Reviews

22 ratings

4.7

Collectors

Investors

Is this LEGO set a good investment?

“Most Marvel Super Heroes sets have risen about 6% per year, but LEGO Mech Armor Collection 3 in 1 has consistently outperformed by roughly 39%, with a typical yearly return near 10%. It looks like a solid investment so far. Our forecast has it growing about 8.4% a year over the next five years, a touch below its pace so far.”

Review brought to you by BrickEconomy Bot

Subtheme Analysis

Marvel Super Heroes

Sets

395

Years

2012 - 2027

Annual growth

+6.37% (this set +15.49%)

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

Community Stats

Mech Armor Collection 3 in 1 currently ranks #303 out of the top most owned sets in Marvel Super Heroes.

#5Bro Thor's New Asgard

#303Mech Armor Collection 3 in 1

#304Spidey on his Motorcycle vs. Rhino

#305Groot

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.

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66671 LEGO Mech Armor Collection 3 in 1

Mech Armor Collection 3 in 1 Value (New/Sealed)

For Sale (New/Sealed)

Sales Distribution (Last 90 Days)

Sale Trends

Market Momentum

Compared with other 2021 Marvel Super Heroes sets

Related Sets

Sets in Marvel Super Heroes

Mech Armor Collection 3 in 1 Questions

What does LEGO 66671 Mech Armor Collection 3 in 1 sell for now?

Can you still buy LEGO 66671 Mech Armor Collection 3 in 1 from LEGO?

Is LEGO 66671 Mech Armor Collection 3 in 1 worth more than it cost?

Will LEGO 66671 Mech Armor Collection 3 in 1 go up in value?

What is the piece count of LEGO 66671 Mech Armor Collection 3 in 1?

My Collection

Set Details

Set Pricing

Quick Buy

Set Predictions

Set Facts

Mech Armor Collection 3 in 1 Reviews

Subtheme Analysis

About Marvel Super Heroes