Mobile Lab (6901-1) is a Classic Space LEGO set released in 1980 with 139 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Classic Space sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 2 minifigures and 43 unique part types.
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Building instructions
Official LEGO instructions — read on BrickID
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Minifigures in Mobile Lab
Parts in this set
43 parts · updating…
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Antenna 1 x 4 with Rounded Top3957a · ×1 · Light Gray -
Arm Holder Brick 2 x 2 with Hole and 1 Arm792c02 · ×1 · Light Gray -
Arm Piece Straight with 2 and 3 Fingers3612 · ×5 · Light Gray -
Arm Piece with Towball Socket, 3 Fingers3613 · ×1 · Light Gray -
Brick 1 x 13005 · ×2 · Light Gray -
Brick 1 x 23004 · ×5 · Light Gray -
Brick 1 x 2 with Classic Space Logo Print3004pr9970 · ×2 · Light Gray -
Brick 1 x 2 without Bottom Tube3065 · ×4 · Trans-Green -
Brick 1 x 43010 · ×3 · Light Gray -
Brick 1 x 4 without Bottom Tubes3066 · ×2 · Trans-Green -
Brick Round 1 x 1 Open Stud3062b · ×2 · Trans-Green -
Brick Round 1 x 1 Open Stud3062b · ×2 · Trans-Red -
Brick Round 1 x 1 Open Stud3062b · ×1 · Light Gray -
Brick Special 1 x 1 with Headlight4070 · ×2 · Light Gray -
Construction Vehicle Bucket, Slope Inverted 33° 3 x 2 Hollow with Towball (Arm Piece)4089 · ×1 · Light Gray -
![Dish 4 x 4 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/4143013.jpg)
Dish 4 x 4 Inverted [Radar]3960 · ×1 · Light Gray -
![Equipment Radio [Compact Handle]](https://cdn.rebrickable.com/media/parts/ldraw/0/3962a.png)
Equipment Radio [Compact Handle]3962a · ×1 · Black -
![Hinge Brick 1 x 4 [Lower]](https://cdn.rebrickable.com/media/parts/elements/383102.jpg)
Hinge Brick 1 x 4 [Lower]3831 · ×4 · Light Gray -
![Hinge Brick 1 x 4 [Upper]](https://cdn.rebrickable.com/media/parts/elements/383002.jpg)
Hinge Brick 1 x 4 [Upper]3830 · ×4 · Light Gray -
Plate 1 x 13024 · ×6 · Trans-Red -
Plate 1 x 13024 · ×2 · Trans-Green -
Plate 1 x 23023 · ×5 · Light Gray -
Plate 1 x 43710 · ×6 · Light Gray -
Plate 1 x 63666 · ×4 · Light Gray -
Plate 2 x 23022 · ×3 · Light Gray -
Plate 2 x 33021 · ×1 · Light Gray -
Plate 2 x 83034 · ×2 · Light Gray -
Plate 6 x 123028 · ×1 · Light Gray -
Plate 6 x 83036 · ×1 · Light Gray -
![Plate Round 1 x 1 with Towball and Hexagonal Hole [Maxifig Hand]](https://cdn.rebrickable.com/media/parts/photos/7/3614b-7-20aabbc2-4d1f-4a6c-b9c1-abbb601e14e6.jpg)
Plate Round 1 x 1 with Towball and Hexagonal Hole [Maxifig Hand]3614b · ×1 · Light Gray -
![Plate Special 1 x 1 with Clip Vertical [Thin Open O Clip]](https://cdn.rebrickable.com/media/parts/ldraw/7/4085a.png)
Plate Special 1 x 1 with Clip Vertical [Thin Open O Clip]4085a · ×2 · Light Gray -
Plate Special 1 x 2 with 1 Stud without Groove (Jumper)3794a · ×2 · Light Gray -
![Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment]](https://cdn.rebrickable.com/media/parts/elements/383902.jpg)
Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment]3839b · ×2 · Light Gray -
Plate Special 2 x 2 with Wheels Red122c01 · ×6 · Light Gray -
Slope 33° 3 x 2 with Classic Space Logo Print3298pr0039 · ×2 · Light Gray -
Slope 33° 3 x 63939 · ×1 · Trans-Green -
Steering Stand 1 x 2 with Black Steering Wheel3829c01 · ×1 · Light Gray -
Support Round 2 x 2 x 2 Stand with Blocked Center Hole3940a · ×6 · Light Gray -
Tile 1 x 1 with Groove3070b · ×4 · Light Gray -
Tile 1 x 2 with Groove3069b · ×11 · Light Gray -
Tool Screwdriver and Spanner / Wrench4006 · ×1 · Black -
Tyre 15 x 6 Offset Tread Small3641 · ×12 · Black -
![Weapon Gun / Torch (Space) [with Grooves]](https://cdn.rebrickable.com/media/parts/elements/395902.jpg)
Weapon Gun / Torch (Space) [with Grooves]3959 · ×3 · Light Gray