Alien Avenger (6975-1) is a UFO LEGO set released in 1997 with 371 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing UFO sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 4 minifigures and 115 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
1997 (29 years ago — may be retired)
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Catalog scale
371 parts listed · 115 inventory lines tracked
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Minifigures
4 in this set's inventory — verify completeness when buying used
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Build manual
Digital booklet available on this page — use it to verify bag contents
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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.)
~590 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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Building instructions
Official LEGO instructions — read on BrickID
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Minifigures in Alien Avenger
Parts in this set
115 parts · page 1 of 3 · updating…
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Antenna 8H Whip2569 · ×2 · Trans-Neon Green -
Arm Holder Brick 1 x 2 with 2 Horizontal Fingers30014 · ×1 · Black -
![Arm Piece 90° Turn [2 / 3 Fingers]](https://cdn.rebrickable.com/media/parts/ldraw/57/412.png)
Arm Piece 90° Turn [2 / 3 Fingers]412 · ×1 · Trans-Neon Orange -
Arm Piece Straight with 2 and 3 Fingers3612 · ×8 · Black -
Arm Piece with Pin, 3 Fingers6217 · ×1 · Blue -
![Box 2 x 2 x 2 [Hollow Studs]](https://cdn.rebrickable.com/media/parts/elements/4143247.jpg)
Box 2 x 2 x 2 [Hollow Studs]4345b · ×2 · Black -
Box 2 x 2 x 2 Door with Slot4346 · ×2 · Trans-Neon Green -
![Bracket 1 x 2 - 1 x 4 [Square Corners]](https://cdn.rebrickable.com/media/parts/elements/243621.jpg)
Bracket 1 x 2 - 1 x 4 [Square Corners]2436 · ×2 · Red -
Brick 1 x 23004 · ×1 · Blue -
Brick 1 x 23004 · ×12 · Red -
Brick 1 x 43010 · ×4 · Black -
Brick 1 x 83008 · ×2 · Black -
Brick 2 x 23003 · ×4 · Black -
Brick 2 x 23003 · ×1 · Blue -
Brick 2 x 2 Corner2357 · ×4 · Black -
Brick 2 x 2 Corner2357 · ×4 · Red -
Brick 2 x 33002 · ×2 · Black -
Brick 2 x 33002 · ×2 · Red -
Brick 2 x 43001 · ×5 · Light Gray -
Brick Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole6222 · ×2 · Light Gray -
Brick Sloped 33° 3 x 23298 · ×3 · Light Gray -
Brick Sloped 33° 3 x 2 with UFO Print3298pr0025 · ×1 · Light Gray -
Brick Sloped 33° 3 x 43297 · ×2 · Light Gray -
Brick Sloped 45° 2 x 23039 · ×8 · Light Gray -
Brick Sloped 45° 2 x 43037 · ×1 · Light Gray -
Brick Sloped 75° 2 x 1 x 3 with Open Stud4460a · ×4 · 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 · ×2 · Black -
Brick Special 1 x 1 with 3 Speakers / Loudspeakers / Space Positioning Rockets3963 · ×2 · Light Gray -
Brick Special 1 x 2 with Grille2877 · ×1 · Black -
Brick Special 1 x 2 with Pin2458 · ×2 · Light Gray -
Brick Special 1 x 2 x 2/3 with Studs on Sides4595 · ×1 · Black -
Brick Special 2 x 2 with 2 Pins and Axle Hole30000 · ×2 · Dark Gray -
![Cone 1 x 1 [No Top Groove]](https://cdn.rebrickable.com/media/parts/elements/618849.jpg)
Cone 1 x 1 [No Top Groove]4589 · ×16 · Trans-Neon Green -
![Dish 2 x 2 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/3006349.jpg)
Dish 2 x 2 Inverted [Radar]4740 · ×4 · Trans-Neon Green -
![Dish 2 x 2 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/474002.jpg)
Dish 2 x 2 Inverted [Radar]4740 · ×2 · Light Gray -
![Dish 4 x 4 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/396026.jpg)
Dish 4 x 4 Inverted [Radar]3960 · ×1 · Black -
![Engine - Smooth, Small 1 x 2 Side Plate [With Axle Holders]](https://cdn.rebrickable.com/media/parts/elements/347526.jpg)
Engine - Smooth, Small 1 x 2 Side Plate [With Axle Holders]3475b · ×2 · Black -
Engine, Strakes, 2 x 2 Thin Top Plate4229 · ×8 · Black -
Equipment Space Scanner30035 · ×1 · Black -
Hinge Brick 1 x 2 Base3937 · ×3 · Black -
Hinge Brick 1 x 2 Top Plate Thin3938 · ×2 · Red -
Hinge Vehicle Roof 4 x 44213 · ×2 · Light Gray -
Hinge Vehicle Roof Holder 1 x 44315 · ×4 · Black -
Magnet Cylindrical73092 · ×6 · Black -
Magnet Holder 2 x 32607 · ×3 · Black -
Magnet Holder Tile 2 x 2 - Tall Arms with Deep Notch2609b · ×3 · Black -
Panel 10 x 10 x 2 1/3 Quarter Saucer Top30117 · ×2 · Trans-Neon Green -
Panel 10 x 10 x 2 1/3 Quarter Saucer Top with UFO Print Left30117pr0001 · ×1 · Light Gray