How many pieces are in the Mobile Lab?

Mobile Lab contains 139 pieces.

What age is the Mobile Lab recommended for?

This set is recommended for ages 18+.

When was the Mobile Lab released?

Mobile Lab was released in 1980.

🏛 Classic Space

Set #6901

Mobile Lab

Name: Mobile Lab
Brand: LEGO
SKU: 6901-1

Mobile Lab is a quintessential Classic Space set.

🏆 Best For: Perfect for LEGO fans of all ages who appreciate the simplicity and nostalgia of Classic Space ⏱ 1.5 hr build 🧩 139 pcs

★★★★☆ 4.2

Fans appreciate the Mobile Lab for its classic design and nostalgic value, but some find the high price point prohibitive. The simple build is enjoyable for younger builders and collectors seeking a quick, satisfying experience.

MSRP

$12.99

Best Price

$11.69

You Save

10% OFF

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📝 Our Take

Mobile Lab is a quintessential Classic Space set. Released in 1980, it perfectly captures the era's aesthetic with its light gray and trans-green color scheme, simple yet functional design, and focus on exploration. The set's charm lies in its retro appeal and nostalgic value for long-time LEGO fans.

This set is perfect for Classic Space enthusiasts and vintage LEGO collectors. The build is straightforward, offering a quick and enjoyable experience, while the set's rarity and historical significance make it a prized display piece.

Skip this if you're looking for complex building techniques or modern design aesthetics. Consider newer Space-themed sets like the LEGO City Space series for a more contemporary building experience.

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🧱 Building Experience

🧩

139

Pieces

⏱

1.5h

Build Time

📊

Beginner

Difficulty

Build Highlights:

Simple and straightforward building process
Focus on playability with rolling wheels and opening compartments
Classic Space color scheme and design elements
Nostalgic appeal for vintage LEGO collectors

📈 Investment Analysis

↑ Trending up since release

Investment Grade

⏳ Appreciating

The Mobile Lab set, being a vintage Classic Space set from 1980, has significant investment potential. Its age, coupled with the enduring popularity of the Classic Space theme, contributes to its increasing value. The relatively low piece count may deter some investors, but the set's rarity and complete condition make it a desirable collectible. While the current price is high, the consistent upward trend suggests continued appreciation, especially for sets in excellent condition with original packaging. However, like all vintage LEGO sets, condition is paramount, and storage can be a risk.

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

⚖ Compare Similar Sets

All-Terrain Vehicle

Classic Space • 136 pcs

$14.99

Gatorator

Blacktron II • 144 pcs

Compared to modern LEGO sets, the Mobile Lab offers a simpler building experience and a focus on imaginative play rather than intricate detail. While newer Space-themed sets boast higher piece counts and advanced building techniques, the Mobile Lab stands out for its historical significance and nostalgic appeal. Collectors may choose this set for its vintage charm and investment potential, while younger builders might prefer more contemporary options for enhanced play features.

2 Minifigures Included

Classic Spaceman, Red with Airtanks (3842a Helmet)

5 parts

Classic Spaceman, White with Airtanks (3842a Helmet)

5 parts

B+

The set includes two classic spacemen, one red and one white, each equipped with airtanks and the iconic 3842a helmet. These figures are standard for the Classic Space theme, adding to the set's nostalgic appeal.

📦 Full Parts Inventory - 40 unique parts • 129 total pieces

Plate Special 2 x...

Part #: 122c01 6× Light Gray

Brick 1 x 2

Part #: 3004 5× Light Gray

Brick 1 x 2 with ...

Part #: 3004pr9970 2× Light Gray

Brick 1 x 1

Part #: 3005 2× Light Gray

Brick 1 x 4

Part #: 3010 3× Light Gray

Plate 2 x 3

Part #: 3021 1× Light Gray

Plate 2 x 2

Part #: 3022 3× Light Gray

Plate 1 x 2

Part #: 3023 5× Light Gray

Plate 1 x 1

Part #: 3024 2× Trans-Green

Plate 1 x 1

Part #: 3024 6× Trans-Red

Plate 6 x 12

Part #: 3028 1× Light Gray

Plate 2 x 8

Part #: 3034 2× Light Gray

Plate 6 x 8

Part #: 3036 1× Light Gray

Brick Round 1 x 1...

Part #: 3062b 2× Trans-Red

Brick Round 1 x 1...

Part #: 3062b 1× Light Gray

Brick Round 1 x 1...

Part #: 3062b 2× Trans-Green

Brick 1 x 2 witho...

Part #: 3065 4× Trans-Green

Brick 1 x 4 witho...

Part #: 3066 2× Trans-Green

Tile 1 x 2 with G...

Part #: 3069b 11× Light Gray

Tile 1 x 1 with G...

Part #: 3070b 4× Light Gray

Slope 33° 3 x 2 w...

Part #: 3298pr0039 2× Light Gray

Arm Piece Straigh...

Part #: 3612 5× Light Gray

Arm Piece with To...

Part #: 3613 1× Light Gray

Plate Round 1 x 1...

Part #: 3614b 1× Light Gray

Tyre 15 x 6 Offse...

Part #: 3641 12× Black

Plate 1 x 6

Part #: 3666 4× Light Gray

Plate 1 x 4

Part #: 3710 6× Light Gray

Plate Special 1 x...

Part #: 3794a 2× Light Gray

Steering Stand 1 ...

Part #: 3829c01 1× Light Gray

Hinge Brick 1 x 4...

Part #: 3830 4× Light Gray

Hinge Brick 1 x 4...

Part #: 3831 4× Light Gray

Plate Special 1 x...

Part #: 3839b 2× Light Gray

Slope 33° 3 x 6

Part #: 3939 1× Trans-Green

Support Round 2 x...

Part #: 3940a 6× Light Gray

Antenna 1 x 4 wit...

Part #: 3957a 1× Light Gray

Weapon Gun / Torc...

Part #: 3959 3× Light Gray

Dish 4 x 4 Invert...

Part #: 3960 1× Light Gray

Equipment Radio [...

Part #: 3962a 1× Black

Tool Screwdriver ...

Part #: 4006 1× Black

Brick Special 1 x...

Part #: 4070 2× Light Gray

Plate Special 1 x...

Part #: 4085a 2× Light Gray

Construction Vehi...

Part #: 4089 1× Light Gray

Arm Holder Brick ...

Part #: 792c02 1× Light Gray

The set features a high proportion of Light Gray parts, typical for Classic Space, which are useful for MOC builders looking to recreate the vintage aesthetic. The printed Classic Space logo tile is a valuable and sought-after element.

🛒 Where to Buy

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$12.34

Target

✓ In Stock

$12.99

Amazon

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💎 Notable Parts

Light Gray Brick 1 x 2 with Classic Space Logo Print (2x) $4.00

Light Gray Plate Special 2 x 2 with Wheels Red (6x) $1.50

Trans-Green Brick 1 x 2 without Bottom Tube (4x) $0.40

Black Tyre 15 x 6 Offset Tread Small (12x) $1.20

Light Gray Arm Piece Straight with 2 and 3 Fingers (5x) $0.50

Est. BrickLink Part Value

$7.60

💡 MOC Potential

🚗 Expanded mobile base with additional modules

🚀 Small lunar lander or rover

🏙 Classic Space-themed modular building section

Community Insights

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Inventory Statistics

Unique Parts

129

Total Pieces

Minifigures

Inventory Version: 1

Classic Space Adventure!
Explore with the Mobile Lab

Mobile Lab

📝 Our Take

Ask BlockTalk about this set

🧱 Building Experience

📈 Investment Analysis

⚖ Compare Similar Sets

2 Minifigures Included

📦 Full Parts Inventory - 40 unique parts • 129 total pieces

🛒 Where to Buy

💎 Notable Parts

💡 MOC Potential

📰 Classic Space News

Avatar: The Last Airbender in LEGO

Time to build those lunar wheels – Febrovery is here!

Set 6827 one of my favs (1987)

Mobile Lab News (3)

Avatar: The Last Airbender in LEGO

Time to build those lunar wheels – Febrovery is here!

Set 6827 one of my favs (1987)

Community Insights

What Reddit Says

What YouTubers Say

Inventory Statistics

Classic Space Adventure!Explore with the Mobile Lab

Mobile Lab

📝 Our Take

Ask BlockTalk about this set

🧱 Building Experience

📈 Investment Analysis

⚖ Compare Similar Sets

2 Minifigures Included

📦 Full Parts Inventory - 40 unique parts • 129 total pieces

🛒 Where to Buy

💎 Notable Parts

💡 MOC Potential

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📰 Classic Space News

Avatar: The Last Airbender in LEGO

Time to build those lunar wheels – Febrovery is here!

Set 6827 one of my favs (1987)

Mobile Lab News (3)

Avatar: The Last Airbender in LEGO

Time to build those lunar wheels – Febrovery is here!

Set 6827 one of my favs (1987)

Community Insights

What Reddit Says

What YouTubers Say

Inventory Statistics

We value your privacy

Classic Space Adventure!
Explore with the Mobile Lab