How many pieces are in the Mini Crane?

Mini Crane contains 218 pieces.

What age is the Mini Crane recommended for?

This set is recommended for ages 18+.

When was the Mini Crane released?

Mini Crane was released in 2012.

Breaking News

My mods on the Ferrari SF-24 42207

r/legotechnic • about 8 hours ago

Lego 42146

r/legotechnic • 1 day ago

A little disappointed, 42209 Volvo L120

r/legotechnic • 1 day ago

🏛 Technic

Set #9391

Mini Crane

Name: Mini Crane
Brand: LEGO
SKU: 9391-1

The Mini Crane is a surprisingly engaging Technic set.

🏆 Best For: Younger builders and those new to LEGO Technic ⏱ 2 hr build 🧩 218 pcs

★★★☆☆ 3.8

A well-regarded entry-level Technic set appreciated for its simple yet functional design and ease of assembly. Some find it too basic for experienced builders, but it's generally considered a good value for introducing younger builders to the Technic system.

Check price on Amazon

📝 Our Take

The Mini Crane is a surprisingly engaging Technic set. Despite its small size, it offers a satisfying building experience and introduces basic mechanical functions in an accessible way, making it a great entry point to the Technic world.

This set is perfect for younger builders and those new to Technic. The build is straightforward and relatively quick, providing a good introduction to gears and levers without being overwhelming. It also makes a nice desk display for fans of construction equipment.

Skip this if you're looking for a complex or highly detailed model. Experienced Technic builders will find this set too simple. Consider larger, more intricate Technic sets like the Mobile Crane MK II (42009-1) 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 Mini Crane - building tips, investment potential, comparisons, or anything else!

Try asking:

How does this set compare to other entry-level Technic sets? What are some ways to motorize this crane? Is this a good set to learn about gear ratios? How does this set hold up as a display piece?

🧱 Building Experience

🧩

218

Pieces

⏱

Build Time

📊

Beginner

Difficulty

Build Highlights:

Introduction to basic Technic building techniques
Working crane mechanism with gears and levers
Compact and sturdy design
Simple instructions suitable for beginners

📈 Investment Analysis

→ Price stable

C+

Investment Grade

⏳ Active

The Mini Crane (9391-1) presents a modest investment opportunity, primarily due to its retirement status and the enduring appeal of the Technic theme. While it doesn't boast a massive piece count or exclusive elements, its accessibility and affordability make it attractive to collectors seeking complete Technic collections. Its small size and relatively low price point mean the potential for significant appreciation is limited, but it should hold its value or see a small increase over time. However, the lack of unique parts and the set's simplicity may temper its long-term growth potential.

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

⚖ Compare Similar Sets

The Mini Crane is a great entry point into the Technic world, especially compared to more complex and expensive sets. While the LEGO Technic Skid Steer Loader 42116 offers a similar piece count and price point, the crane provides a different type of mechanical function. For a larger and more challenging crane build, consider the Mobile Crane MK II (42009-1), but be prepared for a significantly higher price tag.

📦 Full Parts Inventory - 53 unique parts • 133 total pieces

Technic Link Trea...

Part #: 15379 2× Black

Tile Special 1 x ...

Part #: 2432 1× Dark Bluish Gray

String Reel 2 x 2...

Part #: 2585 1× Light Bluish Gray

Technic Pin with ...

Part #: 2780 5× Black

Technic Beam Tria...

Part #: 2905 2× Yellow

Plate 2 x 3

Part #: 3021 2× Yellow

Plate 2 x 2

Part #: 3022 1× Yellow

Hook with Towball

Part #: 30395 1× Dark Bluish Gray

Tile 1 x 2 with G...

Part #: 3069b 1× Yellow

Technic Brick 1 x...

Part #: 32000 2× Yellow

Technic Pin 3/4

Part #: 32002 4× Dark Bluish Gray

Technic Pin Long ...

Part #: 32054 2× Black

Technic Beam 3 x ...

Part #: 32056 2× Black

Technic Axle 2 No...

Part #: 32062 4× Red

Technic Bush 1/2 ...

Part #: 32123b 1× Yellow

Technic Beam 2 x ...

Part #: 32140 4× Yellow

Technic Beam 2 x ...

Part #: 32140 1× Blue

Technic Axle and ...

Part #: 32184 1× Black

Technic Beam 3 x ...

Part #: 32250 2× Black

Technic Gear 12 T...

Part #: 32270 4× Black

Technic Beam 1 x ...

Part #: 32271 1× Yellow

Technic Beam 1 x ...

Part #: 32278 1× Black

Technic Beam 1 x ...

Part #: 32523 2× Yellow

Technic Beam 1 x ...

Part #: 32524 3× Yellow

Technic Beam 1 x ...

Part #: 32525 4× Black

Technic Beam 1 x ...

Part #: 32525 2× Yellow

Technic Beam 3 x ...

Part #: 32526 2× Yellow

Technic Pin Conne...

Part #: 32530 1× Black

Technic Beam 3 x ...

Part #: 33299a 4× Black

Technic Gear 8 Tooth

Part #: 3647 1× Dark Bluish Gray

Technic Brick 1 x...

Part #: 3702 1× Red

Technic Axle 4

Part #: 3705 1× Black

Technic Axle 6

Part #: 3706 1× Black

Technic Bush

Part #: 3713 1× Light Bluish Gray

Technic Axle Pin ...

Part #: 3749 4× Tan

Technic Beam 1 x ...

Part #: 41677 2× Light Bluish Gray

Technic Axle and ...

Part #: 42003 2× Yellow

Technic Axle and ...

Part #: 42003 2× Light Bluish Gray

Technic Axle Pin ...

Part #: 43093 4× Blue

Technic Axle 3

Part #: 4519 10× Light Bluish Gray

Technic Worm Gear

Part #: 4716 1× Light Bluish Gray

Technic Axle 8 wi...

Part #: 55013 2× Dark Bluish Gray

String Cord Thin ...

Part #: 56823c100 1× Black

Crane Arm Outside...

Part #: 57779 1× Yellow

Technic Axle Conn...

Part #: 59443 2× Yellow

Technic Axle 9

Part #: 60485 4× Light Bluish Gray

Plate Round 1 x 1...

Part #: 6141 2× Trans-Orange

Slope Curved 4 x ...

Part #: 61678 4× Yellow

Technic Pin Conne...

Part #: 62462 2× Black

Technic Axle and ...

Part #: 63869 4× Light Bluish Gray

Technic Pin Long ...

Part #: 6558 9× Blue

Technic Pin Conne...

Part #: 87082 2× Black

Technic Axle and ...

Part #: 92907 1× Black

Technic Gear 16 T...

Part #: 94925 4× Light Bluish Gray

Technic Turntable...

Part #: 99009 1× Light Bluish Gray

Technic Turntable...

Part #: 99010 1× Black

The set features a good selection of basic Technic elements, including axles, pins, and gears, which are useful for MOC builders. The yellow beams and slopes provide a splash of color, and the variety of connectors offers flexibility for building different mechanisms.

🛒 Where to Buy

Brick Owl

✓ In Stock

$43.82

💎 Notable Parts

Black Technic Gear 12 Tooth Double Bevel (4x) $0.60

Light Bluish Gray Technic Axle 3 (10x) $0.50

Blue Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots (9x) $0.45

Light Bluish Gray Technic Gear 16 Tooth Reinforced [New Style] (4x) $0.80

Est. BrickLink Part Value

$2.35

💡 MOC Potential

🚗 Modify into a small forklift or other construction vehicle

🤖 Create a mini walking robot with articulated legs

🚗 Convert into a tow truck with a functional winch

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 5 videos

3.0 /5

Mixed

0% positive

BlockTalk AI

YouTube reviews of LEGO crane sets are largely neutral, often providing detailed looks at new sets like the LEGO City Mobile Construction Crane (60409) and the Technic Liebherr LR 13000. Reviewers like JANG's LEGO Reviews offer independent assessments, while others, like All New Bricks, provide links to purchase sets, supporting their channels.

Lego Technic 9391 Review

Yiharua • 7.7K views Review

LEGO City Mobile Construction Crane review! It’s massive but should set 60409 be even bigger?

GJBricks • 3.9K views Review

Community Sentiment

Based on 5 YouTube reviews

Not enough Reddit data

YouTube

3.0 /5

Mixed

0% positive

Positive

Mixed

Critical

BlockTalk AI Analysis

What the Community Says

2 YouTube reviews

BlockTalk AI Summary

JANG's LEGO Reviews offers an independent review of the LEGO City Mobile Construction Crane (60409), emphasizing its strength and value. GJBricks questions whether set 60409 should be even bigger, considering its price point of $180 AUD for 1116 pieces.

Reddit Reviews

No Reddit reviews found

YouTube Reviews

2 videos

Lego Technic 9391 Review

Yiharua

7.7K views Review

LEGO City Mobile Construction Crane review! It’s massive but should set 60409 be even bigger?

GJBricks

3.9K views Review

Community Content: These reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

Inventory Statistics

Unique Parts

213

Total Pieces

Minifigures

Inventory Version: 2

Compact Power!
The Mini Crane is ready to lift!

My mods on the Ferrari SF-24 42207

Lego 42146

A little disappointed, 42209 Volvo L120

Mini Crane

📝 Our Take

Ask BlockTalk about this set

🧱 Building Experience

📈 Investment Analysis

⚖ Compare Similar Sets

📦 Full Parts Inventory - 53 unique parts • 133 total pieces

🛒 Where to Buy

💎 Notable Parts

💡 MOC Potential

📰 Technic News

My mods on the Ferrari SF-24 42207

Lego 42146

String Theory

Mini Crane News (15)

My mods on the Ferrari SF-24 42207

Lego 42146

A little disappointed, 42209 Volvo L120

MOC possibilities with 42213 + 42154

Red Bull 42206 Chapter 2 engine pistons won’t move. What am I doing wrong? My

The Fake 42056 Porsche GT3

What are some fun Technic sets from the 2010s and before? With a focus on fun...

Is there a trick with the RB20 ‘s back (42206)

Community Insights

What Reddit Says

What YouTubers Say

Community Sentiment

Reddit

YouTube

What the Community Says

Reddit Reviews

YouTube Reviews

Inventory Statistics

Compact Power!The Mini Crane is ready to lift!

My mods on the Ferrari SF-24 42207

Lego 42146

A little disappointed, 42209 Volvo L120

Mini Crane

📝 Our Take

Ask BlockTalk about this set

🧱 Building Experience

📈 Investment Analysis

⚖ Compare Similar Sets

📦 Full Parts Inventory - 53 unique parts • 133 total pieces

🛒 Where to Buy

💎 Notable Parts

💡 MOC Potential

Related Articles

LEGO Smart Play System: The Biggest Innovation Since the Minifigure

LEGO Star Wars Dioramas: Dagobah vs Trench Run vs Throne Room Comparison (2025)

Best LEGO Sets by Budget: $50 vs $100 vs $200 Comparison (2025)

📰 Technic News

My mods on the Ferrari SF-24 42207

Lego 42146

String Theory

Mini Crane News (15)

My mods on the Ferrari SF-24 42207

Lego 42146

A little disappointed, 42209 Volvo L120

MOC possibilities with 42213 + 42154

Red Bull 42206 Chapter 2 engine pistons won’t move. What am I doing wrong? My

The Fake 42056 Porsche GT3

What are some fun Technic sets from the 2010s and before? With a focus on fun...

Is there a trick with the RB20 ‘s back (42206)

Community Insights

What Reddit Says

What YouTubers Say

Community Sentiment

Reddit

YouTube

What the Community Says

Reddit Reviews

YouTube Reviews

Inventory Statistics

We value your privacy

Compact Power!
The Mini Crane is ready to lift!