Throwback to '71!
Build the Mobile Site Office

Relive classic LEGO construction with this vintage vehicle set. A nostalgic treat for collectors and fans of retro designs.

LEGO Mobile Site Office set 646-2 - 51 pieces, Vehicle theme, product photo Pin It
LEGO Mobile Site Office set 646-2
🏛 Vehicle
Set #646-2

Mobile Site Office

The Mobile Site Office is a charming vintage set that captures the essence of early LEGO design.

🏆 Best For: Ideal for vintage LEGO collectors and those seeking a simple, nostalgic build experience. ⏱ 1.0 hr build 🧩 51 pcs
★★★☆☆ 3.4 from 1 reviews

Collectors appreciate the Mobile Site Office for its nostalgic value and simple, classic design. While some may find the building experience too basic, the set's rarity and vintage appeal make it a desirable addition to any collection.

MSRP
$3.49
Best Price
$3.14
You Save
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📝 Our Take

The Mobile Site Office is a charming vintage set that captures the essence of early LEGO design. Released in 1971, it showcases the simplicity and functionality that defined the Legoland Vehicle theme, offering a nostalgic glimpse into the brand's history.

This set is perfect for LEGO collectors interested in vintage sets and those who appreciate classic designs. It provides a quick and enjoyable build, making it an excellent addition to any collection, especially for those who enjoy displaying older LEGO models.

Skip this if you're looking for complex building techniques or modern design aesthetics. Consider more contemporary City sets like the Mobile Crane (60324-1) for a more intricate and detailed building experience.

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🧱 Building Experience

🧩
51
Pieces
⏱
1.0h
Build Time
📊
Beginner
Difficulty
Build Highlights:
  • Simple, straightforward building techniques typical of early LEGO sets.
  • Classic use of basic bricks and plates to create a functional vehicle.
  • Features a small office space with a window, adding play and display value.
  • The model is sturdy and easy to handle, perfect for younger builders or collectors.

📈 Investment Analysis

↑ Trending up since release
B+
Investment Grade
⏳ Appreciating
The Mobile Site Office, due to its age and rarity, has strong investment potential. As a vintage set from the 1970s, it appeals to collectors seeking to complete their classic LEGO collections. The rising price trend indicates increasing demand. However, condition is critical; a set in pristine condition with original packaging will command a premium. While the piece count is low, the set's historical significance and increasing rarity make it a worthwhile investment for patient collectors.

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

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Compared to modern LEGO City vehicles, the Mobile Site Office is much simpler in design and piece count. Sets like the Mobile Crane (60324-1) offer a more complex and detailed building experience but lack the nostalgic charm of this vintage set. Collectors interested in classic LEGO designs will find this set more appealing than newer alternatives.

📦 Full Parts Inventory - 18 unique parts • 51 total pieces

Brick 2 x 4 without Cross Supports Brick 2 x 4 witho...
Part #: 3001a 1× Trans-Clear
Brick 1 x 2 Brick 1 x 2
Part #: 3004 8× Red
Brick 1 x 1 Brick 1 x 1
Part #: 3005 2× Red
Brick 1 x 1 Brick 1 x 1
Part #: 3005 2× Yellow
Brick 1 x 4 with Bottom Tubes, Lowered Center Cross Support Brick 1 x 4 with ...
Part #: 3010a 1× Yellow
Brick 1 x 4 with Bottom Tubes, Lowered Center Cross Support Brick 1 x 4 with ...
Part #: 3010a 1× Blue
Brick 1 x 4 with Bottom Tubes, Lowered Center Cross Support Brick 1 x 4 with ...
Part #: 3010a 3× Red
Brick 1 x 4 with Bottom Tubes, Lowered Center Cross Support with Black 'Legoland' Logo Print Brick 1 x 4 with ...
Part #: 3010apr0002 2× Yellow
Brick 1 x 4 with Bottom Tubes, Lowered Center Cross Support with Chrome Silver Car Grill Print Brick 1 x 4 with ...
Part #: 3010apr0008 1× Blue
Plate 2 x 4 Plate 2 x 4
Part #: 3020 2× Black
Plate 2 x 4 Plate 2 x 4
Part #: 3020 1× Blue
Plate 2 x 3 Plate 2 x 3
Part #: 3021 1× Black
Plate 2 x 2 Plate 2 x 2
Part #: 3022 1× Black
Plate 4 x 8 Plate 4 x 8
Part #: 3035 1× Black
Plate 4 x 8 Plate 4 x 8
Part #: 3035 2× Blue
Slope 45° 2 x 2 Double Concave Slope 45° 2 x 2 D...
Part #: 3046a 2× Blue
Brick Round 1 x 1 Solid Stud Brick Round 1 x 1...
Part #: 3062a 1× Yellow
Brick Round 1 x 1 Solid Stud Brick Round 1 x 1...
Part #: 3062a 1× Black
Window 1 x 2 x 2 Classic, Extended Lip, Hollow Studs [with Glass] Window 1 x 2 x 2 ...
Part #: 3081bc01 3× White
Brick Special 2 x 2 [Red Wheels for Single Tyre] Brick Special 2 x...
Part #: 3137c01 4× Black
Tyre 14 x 4 Smooth Small Single Tyre 14 x 4 Smoot...
Part #: 3139 8× Black
Plate Special 1 x 4 with Towball Socket, Long, 4 Slots Plate Special 1 x...
Part #: 3183b 1× Blue
Plate Special 1 x 4 with Towball Plate Special 1 x...
Part #: 3184 1× Blue
Door 1 x 2 x 3 Left with Hollow Studs, Fixed Glass Door 1 x 2 x 3 Le...
Part #: 32bc01 1× White
The set includes a classic assortment of basic bricks and plates in red, blue, yellow, and black. The inclusion of printed 'Legoland' logo bricks adds to the set's vintage charm and collector appeal.

🛒 Where to Buy

eBay
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Walmart
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$3.32
Target
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$3.49
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💎 Notable Parts

Black Tyre 14 x 4 Smooth Small Single (8x) $1.60
Red Brick 1 x 2 (8x) $0.40
Yellow Brick 1 x 4 with Bottom Tubes, Lowered Center Cross Support with Black 'Legoland' Logo Print (2x) $3.00
White Window 1 x 2 x 2 Classic, Extended Lip, Hollow Studs [with Glass] (3x) $1.50
Blue Plate 4 x 8 (2x) $1.00
Est. BrickLink Part Value
$7.50

💡 MOC Potential

🚗 Expand the mobile office into a larger construction site with additional vehicles and structures.
🏙 Incorporate the office into a larger city layout, adding details like roads and sidewalks.
🌳 Create a mobile research station for exploring remote environments.

Related Articles

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

BrickTsar reviews the 1971 vintage LEGO set 646 Mobile Site Office, describing it as simple and 'cheesy' for its time. He likens the design to a truck pulling a caboose due to its basic construction and early LEGO wheel and coupler designs.

LEGO set 646 Mobile Site Office from 1971 VINTAGE

BrickTsar • 34.0K views Review
Community insights from Reddit discussions and YouTube reviews. Content may not reflect official LEGO positions.

What the Community Says

1 YouTube reviews
BlockTalk AI Summary

BrickTsar reviews the 1971 vintage LEGO set 646 Mobile Site Office, describing it as simple and 'cheesy' for its time. He likens the design to a truck pulling a caboose due to its basic construction and early LEGO wheel and coupler designs.

Reddit Reviews

No Reddit reviews found

YouTube Reviews

1 video

LEGO set 646 Mobile Site Office from 1971 VINTAGE

BrickTsar
34.0K views Review
Community Content: These reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

Charts Inventory Statistics

18
Unique Parts
51
Total Pieces
0
Minifigures
Inventory Version: 1

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