How many pieces are in the Iron Man Mech vs. Ultron?

Iron Man Mech vs. Ultron contains 101 pieces.

What age is the Iron Man Mech vs. Ultron recommended for?

This set is recommended for ages 6+.

When was the Iron Man Mech vs. Ultron released?

Iron Man Mech vs. Ultron was released in 2025.

⚠ RETIRING SOON

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🏛 Avengers

Set #76307

Iron Man Mech vs. Ultron

Iron Man Mech vs.

Before you buy

Who it's for: Ages 6+ · Beginner build Ideal for younger LEGO fans and those new to the hobby
Build: 101 pieces · about 1.5 hours Build time is an estimate.
Price: $14.99 list price · 14.8¢ per piece
Availability: Retiring soon · expected exit Dec 31, 2026

★★★☆☆ 3.5 community rating from 84 ratings

Fans appreciate the posability and playability of the mechs, as well as the inclusion of both Iron Man and Ultron. Some find the build a bit too simple and repetitive, but overall it's considered a good value for a small, affordable set.

$14.99

Best Price

$13.49

You Save

10% OFF

📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

Iron Man Mech vs. Ultron is a fun, pocket-sized battle pack. It brings the iconic Iron Man and his robotic nemesis Ultron into a mech battle, offering accessible play and display options for younger fans.

This set is perfect for kids and new LEGO enthusiasts. With its simple build and engaging characters, it's a great introduction to the Avengers universe and mech-style LEGO sets. The build is quick and satisfying, resulting in two posable mechs ready for action.

Skip this if you're a seasoned builder looking for a complex project. This set is geared towards younger audiences and those seeking a quick, affordable LEGO fix. Consider larger, more detailed mech sets for a more challenging build.

✨ New

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How does this set compare to other LEGO mech sets in terms of size and complexity? What are some creative ways to pose and display the Iron Man and Ultron mechs? Is this set a good value for the price, considering the piece count and minifigures included? How can I use the parts from this set to create my own custom mechs or other creations?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI

🧩

101

Pieces

⏱

1.5h

Estimated Build Time

📊

Beginner

Difficulty

👤

Ages

Build Highlights:

Simple and quick build, perfect for beginners
Posable mechs for dynamic play
Engaging characters from the Avengers universe
Easy to modify and customize

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI

→ Price stable

C+

Investment Grade

⏳ Retiring soon

The Iron Man Mech vs. Ultron set is a small, affordable set in the popular Avengers theme. While its low piece count and readily available status don't scream 'investment gold,' its accessibility and the enduring popularity of Iron Man could lead to modest appreciation, especially if the set retires soon. Keep an eye on availability and consider holding onto a sealed copy if you're looking for long-term gains. However, don't expect this set to fund your retirement; it's more of a fun, low-risk investment.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

⚖ Compare Similar Sets

Iron Man Armored Adventures

Marvel • 148 pcs

$19.99

The Iron Man Mech vs. Ultron set offers a budget-friendly entry point into the world of LEGO mechs. Compared to larger, more expensive mech sets, this one provides a quicker build and a more accessible play experience. If you're looking for a more challenging build or greater display presence, consider larger mech sets. However, this set is a great option for younger builders or those seeking a quick and affordable LEGO fix.

2 Minifigures Included

Iron Man, Pearl Gold Arms, Round Arc Reactor, Helmet and Visor

The set includes an Iron Man minifigure with pearl gold arms and a unique round arc reactor print, along with an Ultron minifigure, making it a good value for minifigure collectors.

📦 Parts Inventory

Official piece count: 101
Parts cataloged in this inventory: 41 unique parts, 92 pieces
Minifigures: 2

The official piece count includes the 9 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

Tile Special 2 x ...

Part #: 11203 2× Dark Tan

Plate Special 1 x...

Part #: 14704 6× Light Bluish Gray

Tile Round 2 x 2 ...

Part #: 14769 2× Dark Red

Brick Curved 2 x ...

Part #: 15068 6× Dark Red

Projectile, Sprin...

Part #: 15303 1× Trans-Red

Brick Sloped 45° ...

Part #: 15672 4× Dark Red

Plate Special Rou...

Part #: 18674 2× Dark Bluish Gray

Bar 2L with Towball

Part #: 22484 2× Dark Bluish Gray

Plate Special 1 x...

Part #: 22890 2× Dark Bluish Gray

Brick Curved 3 x ...

Part #: 24309 1× Dark Red

Tile Round 1 x 1 ...

Part #: 25269 2× Dark Red

Plate Round 2 x 2...

Part #: 2654 3× Dark Red

Plate Round 2 x 2...

Part #: 2654 1× Opal Trans-Light Blue

Plate Special, 2 ...

Part #: 27167 1× Dark Red

Brick Round 1 x 1...

Part #: 3062b 2× Trans-Red

Tile 2 x 2 with S...

Part #: 3068bpr9329 1× Dark Red

Plate Special 1 x...

Part #: 3170 1× Black

Animal / Creature...

Part #: 3171 4× Pearl Gold

Brick Sloped Inve...

Part #: 32802 2× Dark Bluish Gray

Brick Curved Inve...

Part #: 32803 1× Dark Bluish Gray

Plate Special 1 x...

Part #: 35480 2× Dark Tan

Technic Plate 2 x...

Part #: 3709 2× Dark Bluish Gray

Plate Special 2 x...

Part #: 4304 1× Dark Bluish Gray

Dish 2 x 2 Invert...

Part #: 4740 2× Trans-Light Blue

Brick Wedged, Cur...

Part #: 47456 2× Pearl Gold

Brick Curved 2 x ...

Part #: 47457 2× Pearl Gold

Brick Wedged, Slo...

Part #: 47759 2× Dark Red

Plate Special 1 x...

Part #: 48336 1× Pearl Gold

Wedge Plate 2 x 4

Part #: 51739 2× Dark Tan

Plate Special 1 x...

Part #: 60478 1× Dark Tan

Technic Pin with ...

Part #: 61332 1× Black

Launcher, Plate S...

Part #: 69754 2× Pearl Gold

Launcher Trigger,...

Part #: 69755 2× Dark Bluish Gray

Technic Brick Spe...

Part #: 73109 1× Light Bluish Gray

Plate Special Rou...

Part #: 79194 1× Trans-Clear

Bracket 1 x 1 - 1...

Part #: 79389 2× Dark Bluish Gray

Plate Angled 2 x ...

Part #: 79846 4× Pearl Gold

Brick Sloped 30° ...

Part #: 85984 2× Dark Red

Tile Round 1 x 1

Part #: 98138 4× Trans-Light Blue

Cockpit 4 x 2 x 3...

Part #: 98876 1× Dark Bluish Gray

Tile Special 1 x ...

Part #: 99563 6× Dark Red

Bracket 1 x 2 - 1...

Part #: 99781 3× Dark Tan

The set offers a good selection of Dark Red and Pearl Gold elements, useful for MOC builders looking to add detail and color to their creations.

🛒 Where to Buy

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$14.99

💎 Notable Parts

Dark Red Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] (6x) $1.50

Pearl Gold Animal / Creature Body Part, Claw with Clip (4x) $1.00

Trans-Light Blue Tile Round 1 x 1 (4x) $0.60

Est. BrickLink Part Value

$3.10

💡 MOC Potential

🤖 Larger, more detailed Iron Man and Ultron mechs

🚗 Futuristic vehicles for Iron Man and Ultron

🏙 Adding mech bays and workshop to a city layout

Community Insights

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📖 Building Instructions 2

BI 3102, 56, 76307 V29

Download PDF

BI 3102, 56, 76307 V39

Download PDF

Inventory Statistics

Unique Parts

101

Official Piece Count

Cataloged Inventory Pieces

Minifigures

Spare Parts

The official piece count includes the 9 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

Inventory Version: 1

Missing a piece? Use the Missing Piece Checker.