Alienator (6876-1) is a Blacktron I LEGO set released in 1988 with 92 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Blacktron I sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 1 minifigure and 46 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
1988 (38 years ago — may be retired)
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Catalog scale
92 parts listed · 46 inventory lines tracked
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Minifigures
1 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.)
~133 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 Alienator
Parts in this set
46 parts · updating…
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Antenna 1 x 4 with Rounded Top3957a · ×2 · Yellow -
![Bar 1 x 3 [Clip / Anti-Stud]](https://cdn.rebrickable.com/media/parts/ldraw/14/4735.png)
Bar 1 x 3 [Clip / Anti-Stud]4735 · ×1 · Yellow -
Brick 1 x 23004 · ×1 · Black -
Brick 2 x 2 without Inside Ridges3003a · ×1 · Black -
Brick Round 1 x 1 Open Stud3062b · ×2 · Black -
Brick Round 1 x 1 with Fins, Open Stud4588 · ×2 · Black -
Brick Round 2 x 2 with Axle Hole3941 · ×2 · Black -
Brick Sloped 45° 2 x 1 with Bottom Pin3040b · ×2 · Black -
Brick Sloped 45° 2 x 23039 · ×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 · ×1 · Black -
Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed4871 · ×1 · Black -
Brick Special 1 x 2 x 2/3 with Studs on Sides4595 · ×2 · Black -
Brick Special 2 x 2 with Pin and No Axle Hole4730 · ×2 · Black -
![Dish 2 x 2 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/4142995.jpg)
Dish 2 x 2 Inverted [Radar]4740 · ×2 · Trans-Red -
Hinge Bar with 3 Fingers and End Stud (Control Lever)2433 · ×2 · Black -
Hinge Brick 1 x 2 Base3937 · ×1 · Black -
Hinge Brick 1 x 2 Top Plate Thin3938 · ×1 · Black -
Hinge Plate 1 x 2 with 2 Fingers and Hollow Studs4276b · ×2 · Black -
![Hinge Plate 1 x 2 with 3 Fingers [Hollow Studs]](https://cdn.rebrickable.com/media/parts/elements/427526.jpg)
Hinge Plate 1 x 2 with 3 Fingers [Hollow Studs]4275b · ×2 · Black -
Hinge Tile 1 x 2 1/2 with 2 Fingers on Top4531 · ×2 · Black -
Lever Small Base with Yellow Lever298c01 · ×2 · Black -
Panel 3 x 2 x 62466 · ×1 · Trans-Yellow -
Panel 3 x 3 x 6 Corner Wall2345 · ×2 · Black -
Plate 1 x 13024 · ×2 · Black -
Plate 1 x 23023 · ×1 · Black -
Plate 1 x 23023 · ×2 · Yellow -
Plate 2 x 103832 · ×1 · Black -
Plate 2 x 33021 · ×1 · Black -
Plate 2 x 43020 · ×1 · Black -
Plate 2 x 63795 · ×1 · Black -
Plate 2 x 83034 · ×3 · Black -
Plate 4 x 83035 · ×1 · Black -
Plate Round 1 x 1 with Solid Stud6141 · ×2 · Trans-Red -
Plate Round 1 x 1 with Solid Stud6141 · ×2 · Yellow -
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)4032a · ×1 · Black -
![Plate Special 1 x 1 with Clip Vertical [Thin U Clip]](https://cdn.rebrickable.com/media/parts/ldraw/0/4085b.png)
Plate Special 1 x 1 with Clip Vertical [Thin U Clip]4085b · ×4 · Black -
![Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment]](https://cdn.rebrickable.com/media/parts/elements/383926.jpg)
Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment]3839b · ×1 · Black -
Plate Special 1 x 4 Offset with Bar Holes4590 · ×2 · Black -
Support Round 2 x 2 x 2 Stand with Blocked Center Hole3940a · ×4 · Black -
![Technic Brick 1 x 4 [3 Pin Holes]](https://cdn.rebrickable.com/media/parts/elements/370126.jpg)
Technic Brick 1 x 4 [3 Pin Holes]3701 · ×1 · Black -
Tile 1 x 2 with Groove3069b · ×3 · Black -
Turntable 2 x 2 Plate - Top3679 · ×6 · Light Gray -
Turntable 2 x 2 Plate, Base3680 · ×6 · Yellow -
![Weapon Gun / Torch (Space) [with Grooves]](https://cdn.rebrickable.com/media/parts/elements/395924.jpg)
Weapon Gun / Torch (Space) [with Grooves]3959 · ×1 · Yellow -
Wedge Plate 8 x 4 Wing Right without Stud Notch3934a · ×1 · Black -
Wedge, Plate 8 x 4 Wing Left without Underside Stud Notch3933a · ×1 · Black