Alpha Centauri Outpost (6988-1) is a Blacktron II LEGO set released in 1991 with 406 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Blacktron II sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 5 minifigures and 127 unique part types.
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Buying checklist
Quick context before you buy this set used or verify a marketplace listing.
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Release year
1991 (35 years ago — may be retired)
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Catalog scale
406 parts listed · 127 inventory lines tracked
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Minifigures
5 in this set's inventory — verify completeness when buying used
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Build manual
No digital manual in our catalog — check the box tab or LEGO.com
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Gray era
Pre-2004 set — may use old light/dark gray instead of bluish gray
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Shipping weight (est.)
~715 g for parts inventory (excludes box/minifig packaging)
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Before you buy used
Run the completion checker, compare photos to the inventory, and check live listings for sealed pricing
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Market value
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Minifigures in Alpha Centauri Outpost
Parts in this set
127 parts · page 1 of 3 · updating…
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Antenna 8H Whip2569 · ×7 · Trans-Neon Green -
Baseplate 32 x 32 with 9-Stud Crossroads / Landing Pad with Green Octagon Print6099pr0002 · ×1 · Black -
Baseplate Raised 32 x 32 with Ramp and Pit, Crater Print2552pr0002 · ×1 · Black -
![Battery Box, 9V Small [Complete Assembly]](https://cdn.rebrickable.com/media/parts/ldraw/0/4760c01.png)
Battery Box, 9V Small [Complete Assembly]4760c01 · ×1 · Black -
![Box 2 x 2 x 2 [Hollow Studs]](https://cdn.rebrickable.com/media/parts/elements/434501.jpg)
Box 2 x 2 x 2 [Hollow Studs]4345b · ×2 · White -
Box 2 x 2 x 2 Door with Slot with Controls Print4346pr0003 · ×2 · Black -
![Bracket 1 x 2 - 1 x 4 [Square Corners]](https://cdn.rebrickable.com/media/parts/elements/4159314.jpg)
Bracket 1 x 2 - 1 x 4 [Square Corners]2436 · ×1 · White -
![Bracket 1 x 2 - 1 x 4 [Square Corners]](https://cdn.rebrickable.com/media/parts/elements/243626.jpg)
Bracket 1 x 2 - 1 x 4 [Square Corners]2436 · ×1 · Black -
Bracket 2 x 2 - 2 x 23956 · ×2 · Black -
Bracket 2 x 2 - 2 x 23956 · ×2 · White -
![Bracket 3 x 2 - 2 x 2 [aka Space Seat]](https://cdn.rebrickable.com/media/parts/elements/459826.jpg)
Bracket 3 x 2 - 2 x 2 [aka Space Seat]4598 · ×1 · Black -
Brick 1 x 13005 · ×2 · White -
Brick 1 x 13005 · ×2 · Black -
Brick 1 x 162465 · ×1 · Black -
Brick 1 x 23004 · ×9 · Black -
Brick 1 x 43010 · ×4 · Black -
Brick 1 x 63009 · ×1 · Black -
Brick 1 x 83008 · ×2 · Black -
Brick 2 x 23003 · ×3 · Black -
Brick 2 x 2 Corner2357 · ×8 · Black -
Brick 2 x 43001 · ×1 · Black -
Brick 2 x 43001 · ×2 · White -
Brick 2 x 62456 · ×3 · Black -
Brick 2 x 83007 · ×1 · White -
Brick Round 1 x 1 x 2/3 Light Bulb Cover4770 · ×6 · Trans-Red -
Brick Round 2 x 2 x 2 with Axle Hole and Fins4591 · ×2 · White -
Brick Sloped 33° 3 x 23298 · ×3 · Black -
Brick Sloped 33° 3 x 23298 · ×2 · White -
Brick Sloped 33° 3 x 34161 · ×2 · Black -
Brick Sloped 45° 2 x 1 with Bottom pin, with 3 Red Lamps, 3 Yellow Buttons, Yellow Border print3040bpr0008 · ×1 · Black -
Brick Sloped 45° 2 x 23039 · ×2 · Black -
Brick Sloped 45° 2 x 2 with Yellow Grill Print3039pr0010 · ×3 · Black -
Brick Sloped Inverted 33° 3 x 2, No Connections between Studs, Ovoid Bottom Pin3747a · ×2 · White -
Brick Sloped Inverted 33° 3 x 2, No Connections between Studs, Ovoid Bottom Pin3747a · ×2 · Black -
Brick Sloped Inverted 34° 3 x 1 without Internal Stopper4287a · ×2 · Black -
Brick Sloped Inverted 45° 2 x 13665 · ×2 · Black -
![Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]](https://cdn.rebrickable.com/media/parts/elements/366026.jpg)
Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]3660 · ×4 · Black -
Brick Sloped Inverted 75° 2 x 1 x 32449 · ×4 · Black -
Brick Special 1 x 1 with 3 Speakers / Loudspeakers / Space Positioning Rockets3963 · ×2 · White -
Brick Special 1 x 1 with Headlight4070 · ×6 · Black -
Brick Special 1 x 2 with Pin2458 · ×3 · Black -
Brick Special 1 x 2 x 2/3 with Studs on Sides4595 · ×2 · Black -
Brick Special 2 x 4 x 2 with Studs on Sides2434 · ×2 · Black -
Brick Wedged 3 x 3 Facet2462 · ×2 · Black -
![Cone 1 x 1 [No Top Groove]](https://cdn.rebrickable.com/media/parts/elements/458901.jpg)
Cone 1 x 1 [No Top Groove]4589 · ×4 · White -
![Cone 1 x 1 [No Top Groove]](https://cdn.rebrickable.com/media/parts/elements/618849.jpg)
Cone 1 x 1 [No Top Groove]4589 · ×10 · Trans-Neon Green -
![Cone 1 x 1 [No Top Groove]](https://cdn.rebrickable.com/media/parts/elements/618848.jpg)
Cone 1 x 1 [No Top Groove]4589 · ×4 · Trans-Green -
![Cone 1 x 1 [No Top Groove]](https://cdn.rebrickable.com/media/parts/elements/618841.jpg)
Cone 1 x 1 [No Top Groove]4589 · ×10 · Trans-Red