lego marvel iron man mark 3 collectors’ edition building set, 1297 pc. Front 3/4 view of the 15 in. (38 cm) tall LEGO Iron Man Mark 3 model on a rectangular display base with name plaque; red and gold-lacquered armor, visible circular Arc Reactor on chest, jointed neck, waist, shoulders, wrists and hands for posing, included Mark 3 minifigure and product box at left; often used as a desk or shelf collectible.
LEGO Marvel Iron Man Mark 3 Collectors’ Edition Building Set, 1297 pc.
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LEGO Marvel Iron Man Mark 3 Collectors’ Edition Building Set, 1297 pc.

|46 ratings

Highlights

  • MODEL KIT FOR ADULTS – The LEGO Marvel Iron Man Mark 3 Collectors' Edition (76344) building set for adults ages 18 and up stands over 15 in. (38 cm) tall when complete
  • POSEABLE SUPER HERO – Recreate Iron Man's iconic Mark 3 suit of armor from Marvel Studios' Avengers: Infinity Saga with authentic details including the Arc Reactor, gold-lacquered accents and jointed neck, waist, shoulders, wrists and hands for dynamic posing
  • ICONIC MARK 3 MINIFIGURE – Model kit includes a Mark 3 Iron Man minifigure that can be displayed alongside the larger model or on its own
  • COLLECTIBLE ROOM DECOR – The completed figure stands on a sturdy display base with a name plaque, creating a premium display piece for your home, office, or Marvel collection

Specifications

Recommended Age Range: 18+ years

Included: 1,297 pieces

Members-only price
Prices may vary in club and online
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Shipping

Free for Plus on eligible orders over $50
Columbus, 43215
Arrives by Sun, Nov 8
Return or replace anytime.
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About this item

Product details

Recreate Tony Stark's Legendary Suit

Immerse yourself in the Marvel universe with the LEGO Marvel Iron Man Mark 3 Collectors' Edition (76344) building set, designed for adults aged 18 and up. This detailed model kit lets you bring Tony Stark's iconic suit from Marvel Studios' Avengers: Infinity Saga to life, complete with its signature Arc Reactor. With 1,297 pieces, this set offers an engaging and rewarding building experience.

Dynamic Posing and Striking Details

The Iron Man figure features jointed neck, waist, shoulders, wrists, and hands, allowing you to recreate action-ready stances. Its authentic armor is adorned with gold-lacquered details that catch the light, adding a touch of brilliance to your display. Once completed, place the figure on the included display base and add the name plaque for a stunning showpiece.

Includes Mark 3 Iron Man Minifigure

This set also includes a Mark 3 Iron Man minifigure, which can be displayed independently or alongside your completed model. It's a perfect addition for Marvel collectors and fans who enjoy celebrating their fandom through intricate LEGO creations.

Enhanced Building Experience

The LEGO Builder app provides digital instructions with zoom and rotate features, making the building process even more enjoyable. With Build Together mode, friends and family can join in on the creative fun, making this set a fantastic group activity.

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Key specifications

Specifications

Recommended Age Range: 18+ years

Included: 1,297 pieces

Member ratings & reviews

4.7 out of 5 stars
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  1. 5 stars80% (37)
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Showing 1-3 of 44 reviews

Aug 18, 2026
Reviewer name: Jordan
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Was missing a piece for the shoulder but not really noticeable. Overall amazing product. I had a lot of fun rewatching the iron man movies while building this absolute masterpiece.

Review from walmart.com
Helpful?2ACICK870JY818737960017
Jan 18, 2026
Reviewer name: tc
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Iron man Lego collectible

Really cool build. Easy to follow instructions. Stands steady and looks great too! Happy to add this guy to my collection but need to rearrange lol.definitely recommend!

Review from walmart.com
Helpful?2ACICK870JY818737960017
Feb 7, 2026
Reviewer name: USARugger15
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Absolutely loved this set

I fell in love with this set the second I saw it. I missed the preorder but found it in stores shortly after release day. The detail is insane and it was a really fun build. This is my favorite set to date

Review from LEGO
Helpful?2ACICK870JY818737960017
Members-only price
Prices may vary in club and online
How do you want your item?

Shipping

Free for Plus on eligible orders over $50
Columbus, 43215
Arrives by Sun, Nov 8
Return or replace anytime.