How many pieces are in the Humungousaur?

Humungousaur contains 14 pieces.

What age is the Humungousaur recommended for?

This set is recommended for ages 5-12.

When was the Humungousaur released?

Humungousaur was released in 2010.

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🏛 Ben 10

Set #8517

Humungousaur

Humungousaur is a unique and nostalgic LEGO set from the Ben 10 Alien Force theme.

Before you buy

Who it's for: Ages 5+ · Beginner build Young LEGO fans and collectors of character-based sets
Build: 14 pieces · about 1 hours Build time is an estimate.
Price: $14.99 list price · $1.07 per piece
Availability: Retired at LEGO

★★☆☆☆ 2.5 community rating

Fans appreciate the Humungousaur set for its nostalgic value and faithful representation of the character. Some find the build too simple for the price, but the glow-in-the-dark eyes and unique parts are generally well-received.

$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

Humungousaur is a unique and nostalgic LEGO set from the Ben 10 Alien Force theme. This brick-built figure captures the essence of the popular character with its distinctive features and posable limbs, offering a fun and recognizable representation of the alien hero.

This set is perfect for Ben 10 fans, LEGO collectors interested in unique themes, and those who appreciate character-based builds. The smaller piece count makes it a quick and accessible build, ideal for display or light play.

Skip this if you're looking for complex building techniques or a large, detailed LEGO model. This set is more about character representation than intricate construction; consider larger LEGO figures from the Star Wars or Marvel themes for a more challenging build.

✨ New

Ask BlockTalk about this set

AI assistant with full set data

BlockTalk

Hi! I'm BlockTalk, your LEGO expert. Ask me anything about the Humungousaur - building tips, investment potential, comparisons, or anything else!

Try asking:

How does the Humungousaur set compare to other LEGO character builds in terms of size and complexity? What are some creative ways to display the Humungousaur set to highlight its features? Is the glow-in-the-dark feature effective and long-lasting? How does the value of this set compare to other retired LEGO Ben 10 sets?

🧱 Building Experience

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

🧩

Pieces

⏱

1.0h

Estimated Build Time

📊

Beginner

Difficulty

👤

5-12

Ages

Build Highlights:

Simple and straightforward construction
Focus on creating a posable figure
Use of ball joints for articulation
Glow-in-the-dark eyes add a cool visual effect

📈 Investment Analysis

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

↑ Trending up since release

Investment Grade

⏳ Retired

The Humungousaur set, while small, benefits from its rarity and association with the Ben 10 theme, which has a dedicated fan base. As a retired set, its value is likely to appreciate, especially if kept in good condition with the original packaging. However, the low piece count and relatively niche appeal might limit its potential for exponential growth compared to larger, more iconic LEGO sets. Investment is moderate but present due to scarcity.

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

📖 About This Set

It's hero time! When he transforms into the dinosaur-like Humungousaur, Ben gains the ability to grow to immense size and overpower all challengers. No one can match this alien hero's massive size and incredible strength! Features glow-in-the-dark eyes and Omnitrix chest symbol. Collect all 6 LEGO Ben 10 Alien Force sets and combine them to create your own super alien heroes! Features an omnitrix chest symbol and glow-in-the-dark eyes Measures 9" (23cm) tall Complete your force of all 6 LEGO Ben 10 Alien Force sets!

⚖ Compare Similar Sets

This set is unique within the LEGO Ben 10 line for its character representation. While other LEGO figures offer more complex builds, Humungousaur provides a simple and recognizable depiction of the character. Consider larger LEGO character models from themes like Star Wars or Marvel for more intricate builds, but this set offers a distinct charm for Ben 10 enthusiasts.

📦 Parts Inventory

Official piece count: 14
Parts cataloged in this inventory: 9 unique parts, 15 pieces

LEGO counts 14 pieces. This inventory comes from a separate parts catalog and lists 15; the two do not always count the same elements, so their totals differ. 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.

Large Figure Skel...

Part #: 87838 1× Black

Large Figure Skel...

Part #: 87839 4× Reddish Brown

Large Figure Skel...

Part #: 87840 2× Reddish Brown

Large Figure Foot...

Part #: 87841 2× Reddish Brown

Large Figure Limb...

Part #: 87842 2× Reddish Brown

Large Figure Tors...

Part #: 87843pr0001 1× Dark Tan

Large Figure Tail...

Part #: 87846 1× Reddish Brown

Large Figure Shou...

Part #: 87847 1× Reddish Brown

Large Figure Head...

Part #: 87850pr0001 1× Reddish Brown

The set is primarily comprised of reddish-brown skeletal and limb components, which are useful for building custom figures. The printed torso cover adds a unique decorative element.

🛒 Where to Buy

LEGO (UK)

✓ In Stock

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£12.99

eBay

✓ In Stock

$13.49 →

Walmart

✓ In Stock

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$14.24

Target

✓ In Stock

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$14.99

LEGO (US)

✓ In Stock

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$14.99

LEGO (CA)

✓ In Stock

Compare on eBay →

$19.99

💎 Notable Parts

Reddish Brown Large Figure Head, Humungousaur with White Teeth Print (1x) $2.00

Black Large Figure Skeletal, Torso, Angular with 7 Ball Joints (1x) $1.00

Dark Tan Large Figure Torso Cover, with Raised Center Circle and Ben 10 Print (1x) $2.50

Est. BrickLink Part Value

$5.50

💡 MOC Potential

🤖 Transform Humungousaur into a more robotic or armored version.

🌳 Create a diorama of Humungousaur in a jungle or urban environment.

🧙 Rebuild Humungousaur as a fantasy creature or monster.

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 6 videos

2.7 /5

Mixed

0% positive

BlockTalk AI

The LEGO Humungousaur (8517-1) set from the Ben 10 Alien Force line receives mixed opinions, with one prominent reviewer, just2good, explicitly labeling it as potentially the "worst LEGO set". While other reviews offer neutral overviews, the overall sentiment leans towards lukewarm reception for this particular set.

LEGO Ben 10 Humungousaur Toys Review HD Unboxing

Atamaii • 2.1M views Unboxing

Worst LEGO set? LEGO Ben 10 Humungousaur set review! 8517

just2good • 334.6K views Review

Character Building Ben 10 Kevin's Car, Lego Compatible!

Brick Box • 103.8K views Review

Community Sentiment

Based on 6 YouTube reviews

Not enough Reddit data

YouTube

2.7 /5

Mixed

0% positive

Positive

Mixed

Critical

BlockTalk AI Analysis

What the Community Says

5 YouTube reviews

BlockTalk AI Summary

Atamaii's unboxing highlights Humungousaur as part of the initial Ben 10 LEGO wave. Conversely, just2good's critique focuses on the set's shortcomings, contributing to a negative perception, contrasting with other channels simply showcasing multiple Ben 10 sets found together.