How many pieces are in the Building Crane?

Building Crane contains 721 pieces.

What age is the Building Crane recommended for?

This set is recommended for ages 7-12.

When was the Building Crane released?

Building Crane was released in 2006.

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🏛 Construction

Set #7905

Building Crane

The Building Crane is a classic construction set.

Before you buy

Who it's for: Ages 7+ · Intermediate build Ideal for LEGO fans and kids interested in construction vehicles and learning about basic Technic mechanisms.
Build: 721 pieces · about 4.5 hours Build time is an estimate.
Price: $69.99 list price · 9.7¢ per piece
Availability: Retired at LEGO

★★★★☆ 4.6 community rating from 163 ratings

Fans appreciate the set's functional design and playability, making it a favorite for younger builders. Some find the build a bit repetitive, but overall, it's considered a solid and enjoyable set for its time.

$69.99

Best Price

$62.99

You Save

10% OFF

📝 Our Take

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

The Building Crane is a classic construction set. Released in 2006, it represents a simpler era of LEGO, focusing on functionality and play over extreme detail. This set delivers a realistic crane operation with its rotating base and functional winch.

This set is perfect for younger builders and LEGO enthusiasts interested in construction vehicles. The build is engaging without being overly complex, making it a great introduction to Technic elements and gear mechanisms. The three included minifigures enhance the play experience.

Skip this if you're looking for a highly detailed or challenging build. Modern LEGO Technic cranes offer more advanced features and larger scales; consider sets like the Liebherr LR 13000 if you desire a more complex model.

✨ 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 Building Crane - building tips, investment potential, comparisons, or anything else!

Try asking:

How does this crane compare to modern LEGO Technic cranes in terms of functionality? What are some common issues to watch out for when buying this set used? Is this set a good introduction to Technic building for younger builders? How easily can this set be motorized to enhance its play features?

🧱 Building Experience

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

🧩

721

Pieces

⏱

4.5h

Estimated Build Time

📊

Intermediate

Difficulty

👤

7-12

Ages

Build Highlights:

Functional winch system for lifting and lowering loads
Rotating crane base for 360-degree operation
Introduction to Technic building principles
Sturdy construction suitable for play

📈 Investment Analysis

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

Not enough price history for a trend

Investment Grade

⏳ Retired

The Building Crane (7905-1) presents a moderate investment opportunity. As a retired set from 2006, it benefits from scarcity and nostalgia. While not a licensed theme, construction sets hold broad appeal. The piece count is decent, and the set features functional elements, which enhance its collectibility. However, its original MSRP was relatively high, which might limit significant price appreciation compared to more iconic or exclusive sets. Keeping the set sealed and in excellent condition is crucial for maximizing its investment potential. The value of the set is strongly tied to the completeness and condition of the parts, box and instructions.

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

📖 About This Set

Build the tallest buildings ever with this special edition LEGO City Building Crane! With working functions straight out of real-world construction equipment, this towering crane is ready for any challenge. The extra-wide base provides stability for lifting loads and the side ladder allows construction workers to climb to the very top!

• Includes 2 containers, 3 mini-figures, barriers and more.
• Crane stands a towering 26" (68cm) tall!
• Arm extends up to 26" (68cm) long!
• Turn the crank to lower and raise the working hook!
• Slide the hook dolly along the arm for precision lifting and lowering.
• Seat the worker at the controls atop the tower.
• Crane rotates a full 360.
• Containers have loops on top for picking up with crane hook!
• Divided into sub-models for easy building and instant play.

⚖ Compare Similar Sets

Liebherr Crawler Crane LR 13000

Compared to newer Technic cranes, the Building Crane (7905-1) offers a simpler and more straightforward building experience. While modern sets boast more advanced features and higher piece counts, this set provides a classic construction model suitable for younger builders. Consider the LEGO City construction sets for more modern city-themed building experiences, but this set provides a great introduction to functional mechanisms.

3 Minifigures Included

Construction Worker, Orange Jacket with Zipper and Reflective Stripes, Orange Legs, Red Hard Hat, Brown Eyebrows

4 parts

Worker, Orange Overalls over Blue Sweater, Red Hard Hat (3626b Head)

4 parts

Construction Worker, Orange Jacket with Zipper and Reflective Stripes, Orange Legs, Red Hard Hat, Beard and Glasses

4 parts

The set includes three construction worker minifigures, all with the classic red hard hats. Two of the figures feature orange jackets with reflective stripes, while the third has orange overalls over a blue sweater. These figures are typical of LEGO construction sets from this era.

📦 Parts Inventory

Official piece count: 721
Parts cataloged in this inventory: 145 unique parts, 709 pieces
Minifigures: 3

The official piece count includes the 12 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.

Brick Sloped Inve...

Part #: 2341 1× Light Bluish Gray

Tile Special Roun...

Part #: 2376 2× Black

Wedge Plate 10 x ...

Part #: 2401 4× Yellow

Tile Special 1 x ...

Part #: 2412b 18× Red

Tile Special 1 x ...

Part #: 2412b 4× Dark Bluish Gray

Tile 1 x 4 with G...

Part #: 2431 4× Dark Bluish Gray

Tile Special 1 x ...

Part #: 2432 4× Light Bluish Gray

Tile Special 1 x ...

Part #: 2432 2× Blue

Brick 1 x 1 x 5 w...

Part #: 2453a 8× Light Bluish Gray

Brick 2 x 6

Part #: 2456 4× Yellow

Brick Wedged 3 x ...

Part #: 2462 4× Light Bluish Gray

Bar 1 x 8 x 2

Part #: 2486 2× Yellow

Plate Special 1 x...

Part #: 2540 3× Dark Bluish Gray

Technic Link 1 x 16

Part #: 2637 12× Light Bluish Gray

Technic Pin with ...

Part #: 2780 16× Black

Technic Turntable...

Part #: 2855 1× Light Bluish Gray

Technic Turntable...

Part #: 2856 1× Black

Brick Special 1 x...

Part #: 2921 2× Yellow

Lever Small Base ...

Part #: 298c02 2× Blue

Brick 2 x 4

Part #: 3001 1× Yellow

Part #: 3008 1× White

Part #: 3010 2× Yellow

Brick 1 x 4

Part #: 3010 2× White

Brick Round 2 x 2...

Part #: 30151a 1× Red

Plate 2 x 4

Part #: 3020 2× Blue

Plate 2 x 4

Part #: 3020 4× Light Bluish Gray

Plate 2 x 4

Part #: 3020 1× Dark Bluish Gray

Plate 2 x 3

Part #: 3021 18× Dark Bluish Gray

Plate 2 x 3

Part #: 3021 9× Yellow

Plate 2 x 2

Part #: 3022 21× Dark Bluish Gray

Tool Jackhammer /...

Part #: 30228 1× Dark Bluish Gray

Plate 1 x 2

Part #: 3023 4× Yellow

Plate 1 x 2

Part #: 3023 1× Light Bluish Gray

Plate 1 x 2

Part #: 3023 2× Green

Plate 1 x 2

Part #: 3023 2× Dark Bluish Gray

Brick Special 1 x...

Part #: 30236 2× Dark Bluish Gray

Brick Special 1 x...

Part #: 30237a 3× White

Road Sign Clip-on...

Part #: 30259 2× Yellow

Plate 4 x 4

Part #: 3031 8× Dark Bluish Gray

Plate 4 x 6

Part #: 3032 1× Dark Bluish Gray

Plate 6 x 10

Part #: 3033 2× Light Bluish Gray

Plate 2 x 8

Part #: 3034 1× Light Bluish Gray

Equipment Flotati...

Part #: 30340 1× White

Brick Sloped 18° ...

Part #: 30363 8× Dark Bluish Gray

Bar 4L (Lightsabe...

Part #: 30374 1× Yellow

Brick Sloped 45° ...

Part #: 3039 1× Light Bluish Gray

Brick Sloped 45° ...

Part #: 3039 1× Dark Bluish Gray

Hook with Towball

Part #: 30395 1× Dark Bluish Gray

Wedge Plate 4 x 4...

Part #: 30503 4× Dark Bluish Gray

Brick Special 1 x...

Part #: 30526 2× Light Bluish Gray

Brick Round 1 x 1...

Part #: 3062b 1× White

Brick Round 1 x 1...

Part #: 3062b 8× Dark Bluish Gray

Steering Wheel Sm...

Part #: 30663 1× Light Bluish Gray

Tile 2 x 2 with G...

Part #: 3068b 1× Yellow

Tile 1 x 2 with G...

Part #: 3069b 1× Green

Plate Special 3 x...

Part #: 3176 2× Light Bluish Gray

Technic Brick 1 x...

Part #: 32000 2× Black

Technic Reel 3 x 2

Part #: 32012 1× Dark Bluish Gray

Technic Axle and ...

Part #: 32013 2× Dark Bluish Gray

Technic Brick 1 x...

Part #: 32018 10× Light Bluish Gray

Technic Brick 1 x...

Part #: 32018 21× Yellow

Technic Axle Conn...

Part #: 32039 2× Red

Technic Pin Long ...

Part #: 32054 12× Red

Technic Axle 2 No...

Part #: 32062 16× Red

Technic Brick 1 x...

Part #: 32064c 26× Yellow

Technic Axle 5

Part #: 32073 4× Light Bluish Gray

Technic Bush 1/2 ...

Part #: 32123b 8× Yellow

Technic Axle and ...

Part #: 32126 2× Light Bluish Gray

Technic Beam 1 x ...

Part #: 32316 1× Light Bluish Gray

Technic Pin Conne...

Part #: 32333 4× Light Bluish Gray

Technic Beam 1 x ...

Part #: 32449 6× Black

Technic Beam 1 x ...

Part #: 32523 4× Black

Technic Beam 1 x ...

Part #: 32524 6× Yellow

Technic Beam 3 x ...

Part #: 32526 4× Light Bluish Gray

Technic Brick 4 x...

Part #: 32531 3× Black

Technic Brick 6 x...

Part #: 32532 2× Light Bluish Gray

Technic Brick 5 x...

Part #: 32555 4× Yellow

Technic Pin Long ...

Part #: 32556a 3× Light Bluish Gray

Technic Beam 3 x ...

Part #: 33299a 1× Light Bluish Gray

Technic Gear 8 Tooth

Part #: 3647 2× Light Bluish Gray

Brick Sloped Inve...

Part #: 3660 1× Light Bluish Gray

Plate 1 x 6

Part #: 3666 1× Dark Bluish Gray

Plate 1 x 6

Part #: 3666 5× Black

Plate 1 x 6

Part #: 3666 8× Light Bluish Gray

Technic Brick 1 x...

Part #: 3701 3× Yellow

Technic Brick 1 x...

Part #: 3701 2× Red

Technic Axle 4

Part #: 3705 8× Black

Technic Axle 6

Part #: 3706 3× Black

Technic Axle 8

Part #: 3707 5× Black

Technic Axle 12

Part #: 3708 2× Black

Technic Plate 2 x...

Part #: 3709 10× Yellow

Plate 1 x 4

Part #: 3710 5× Dark Bluish Gray

Plate 1 x 4

Part #: 3710 8× Black

Plate 1 x 4

Part #: 3710 5× Light Bluish Gray

Brick Sloped Inve...

Part #: 3747a 2× Yellow

Technic Axle Pin ...

Part #: 3749 4× Tan

Plate Special 1 x...

Part #: 3794a 14× Light Bluish Gray

Plate Special 1 x...

Part #: 3794a 1× White

Plate Special 1 x...

Part #: 3794a 6× Black

Plate 2 x 6

Part #: 3795 2× Red

Equipment Brush /...

Part #: 3836 1× Reddish Brown

Equipment Shovel ...

Part #: 3837 1× Black

Tool Pickaxe

Part #: 3841 1× Dark Bluish Gray

Technic Brick 1 x...

Part #: 3894 2× Yellow

Technic Brick 1 x...

Part #: 3894 2× Blue

Equipment Signal ...

Part #: 3900 8× Light Bluish Gray

Brick Round 2 x 2...

Part #: 3941 1× Dark Bluish Gray

Brick Round 2 x 2...

Part #: 3941 8× Black

Plate 6 x 6

Part #: 3958 2× Dark Bluish Gray

Plate 6 x 6

Part #: 3958 1× White

Plate Round 2 x 2...

Part #: 4032a 1× Dark Bluish Gray

Window 1 x 4 x 3 ...

Part #: 4033 1× Red

Glass for Train W...

Part #: 4034 1× Trans-Clear

Seat / Chair 2 x 2

Part #: 4079 1× Red

Bar 1 x 4 x 2 wit...

Part #: 4083 1× Black

Bar 6.6L with Sto...

Part #: 4095 4× Black

Plate Special 8 x...

Part #: 4151a 1× Black

Tile 1 x 8 with G...

Part #: 4162 2× Yellow

Tile 1 x 8 with G...

Part #: 4162 10× Dark Bluish Gray

Technic Beam 1 x ...

Part #: 41677 4× Dark Bluish Gray

Technic Axle and ...

Part #: 41678 4× Light Bluish Gray

Plate Special 1 x...

Part #: 4175 1× Dark Bluish Gray

Part #: 4183 2× Trans-Clear

Ladder 14 x 2.5

Part #: 4207 4× Light Bluish Gray

Panel 1 x 4 x 3 [...

Part #: 4215b 4× Red

Panel 1 x 4 x 3 [...

Part #: 4215b 2× Trans-Brown

Panel 1 x 4 x 3 [...

Part #: 4215b 3× Blue

Wheel 11 x 8 with...

Part #: 42610 2× Light Bluish Gray

Technic Pin 1/2 w...

Part #: 4274 1× Blue

Technic Pin 1/2 w...

Part #: 4274 4× Light Bluish Gray

Brick Sloped 33° ...

Part #: 4286 6× Yellow

Brick Sloped Inve...

Part #: 4287b 2× Yellow

Technic Axle Pin ...

Part #: 43093 1× Blue

Box 2 x 2 x 2 [Ho...

Part #: 4345b 2× Light Bluish Gray

Box 2 x 2 x 2 Doo...

Part #: 4346 2× Light Bluish Gray

Equipment Weapon,...

Part #: 4349 1× Dark Bluish Gray

Bag / Briefcase

Part #: 4449 1× Reddish Brown

Bracket 1 x 2 - 2...

Part #: 44728 3× Light Bluish Gray

Support 2 x 4 x 5...

Part #: 4476b 2× Yellow

Brick Sloped 33° ...

Part #: 4509 1× Dark Bluish Gray

Technic Axle 3

Part #: 4519 2× Light Bluish Gray

Minifig Neckwear ...

Part #: 4523 1× Blue

Technic Spike Con...

Part #: 45575 1× Light Bluish Gray

Technic Axle Conn...

Part #: 45590 2× Black

Tap 1 x 1 with Ho...

Part #: 4599a 1× Light Bluish Gray

Dish 2 x 2 Invert...

Part #: 4740 8× Dark Bluish Gray

Windscreen 3 x 4 ...

Part #: 4872 1× Trans-Brown

Bar 1L with Clip

Part #: 48729a 9× Dark Bluish Gray

Technic Pin Conne...

Part #: 48989 1× Light Bluish Gray

Brick Sloped 30° ...

Part #: 54200 2× Trans-Orange

Sticker Sheet for...

Part #: 56716 1× [No Color/Any Color]

String Cord Thin ...

Part #: 56823c200 1× Black

Support 2 x 2 x 1...

Part #: 58827 16× Yellow

Plate Special 10 ...

Part #: 6063 1× Dark Bluish Gray

Brick Curved 1 x ...

Part #: 6091 2× Black

Wedge Plate 6 x 6...

Part #: 6106 4× Light Bluish Gray

Plate Round 1 x 1...

Part #: 6141 4× Trans-Orange

Plate Round 1 x 1...

Part #: 6141 1× Light Bluish Gray

Panel 1 x 1 x 1 C...

Part #: 6231 2× White

Technic Axle and ...

Part #: 6536 4× Light Bluish Gray

Technic Axle Conn...

Part #: 6538b 2× Black

Technic Brick 1 x...

Part #: 6541 2× White

Technic Pin Long ...

Part #: 6558 27× Black

Plate Special 1 x...

Part #: 6583 4× Yellow

Technic Axle 3 wi...

Part #: 6587 6× Dark Bluish Gray

Technic Beam 1 x ...

Part #: 6632 4× Yellow

Technic Beam 1 x ...

Part #: 6632 8× White

Tile 1 x 6 with G...

Part #: 6636 7× Light Bluish Gray

Tile 1 x 6 with G...

Part #: 6636 2× Blue

Tile 1 x 6 with G...

Part #: 6636 6× Dark Bluish Gray

Brick Special 2 x...

Part #: 73090b 1× Black

Hinge Plate 1 x 4...

Part #: 73983 2× Yellow

Technic Pin Conne...

Part #: 75535 1× Black

The parts inventory includes a good selection of Technic bricks and pins, useful for building functional models. The yellow and light bluish gray colors are standard but provide a solid base for construction projects.

🛒 Where to Buy

LEGO (UK)

✓ In Stock

Compare on eBay →

£39.99

eBay

✓ In Stock

$62.99 →

Walmart

✓ In Stock

Compare on eBay →

$66.49

Target

✓ In Stock

Compare on eBay →

$69.99

LEGO (US)

✓ In Stock

Compare on eBay →

$69.99

💎 Notable Parts

Yellow Technic Brick 1 x 14 [13 Pin Holes] (21x) $2.10

Yellow Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] (26x) $1.30

Light Bluish Gray Technic Link 1 x 16 (12x) $2.40

Dark Bluish Gray Plate 2 x 2 (21x) $1.05

Est. BrickLink Part Value

$6.85

💡 MOC Potential

🚗 Mobile crane truck

🏙 Construction site expansions

🤖 Industrial robot arm

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

1 video found

BlockTalk AI

BUILDIN' BRICKS showcases the unboxing of the LEGO City Building Crane 7905, a set long sought after and shipped from Europe. The review highlights the excitement of obtaining a 'white whale' LEGO set after many years.

LEGO City 'Building Crane' Speed Build from 2006! 🏗️ LEGO Set 7905

BUILDIN' BRICKS • 10.0K views Unboxing

What the Community Says

1 YouTube reviews

BlockTalk AI Summary

Reddit Reviews

No Reddit reviews found

YouTube Reviews

1 video

LEGO City 'Building Crane' Speed Build from 2006! 🏗️ LEGO Set 7905

BUILDIN' BRICKS

10.0K views Unboxing

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

📖 Building Instructions 3

BUILDING INSTRUCTION, 7905 IN

Download PDF

BUILDING INSTRUCTION, 7905

Download PDF

BUILDING INSTRUCTION, 7905 NA

Download PDF

Inventory Statistics

145

Unique Parts

721

Official Piece Count

709

Cataloged Inventory Pieces

Minifigures

Spare Parts

The official piece count includes the 12 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

Inventory Version: 2

Missing a piece? Use the Missing Piece Checker.