Alien Fossilizer (6854-1) is a Exploriens LEGO set released in 1996 with 54 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Exploriens 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 38 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
1996 (30 years ago — may be retired)
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Catalog scale
54 parts listed · 38 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
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.)
~83 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 Fossilizer
Parts in this set
38 parts · updating…
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Bracket 8 x 2 x 1 1/34732 · ×1 · White -
Brick 1 x 13005 · ×1 · White -
Brick Sloped 33° 3 x 2 with Explorien Logo Print3298pr0004 · ×1 · White -
Brick Sloped 45° 2 x 1 with Bottom Pin3040b · ×2 · White -
Brick Sloped 45° 2 x 23039 · ×2 · White -
Brick Sloped 45° 2 x 2 with Space Display Print3039pr9997 · ×1 · White -
Brick Special 2 x 2 with 2 Pins and Axle Hole30000 · ×1 · White -
Brick Special 2 x 4 with Pins6249 · ×1 · White -
![Dish 2 x 2 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/3006349.jpg)
Dish 2 x 2 Inverted [Radar]4740 · ×1 · Trans-Neon Green -
![Dish 4 x 4 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/3006541.jpg)
Dish 4 x 4 Inverted [Radar]3960 · ×1 · Trans-Red -
![Dish 4 x 4 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/3006543.jpg)
Dish 4 x 4 Inverted [Radar]3960 · ×1 · Trans-Dark Blue -
Engine, Strakes, 2 x 2 Thin Top Plate4229 · ×1 · White -
Equipment Space Scanner30035 · ×1 · White -
Flexible Hose 8.5L with Tabbed Ends (Ends same color as Tube)73590c02a · ×1 · White -
Hinge Plate 1 x 2 with 2 Fingers and Hollow Studs4276b · ×1 · White -
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/4188523.jpg)
Hinge Plate 1 x 2 with 3 Fingers [Hollow Studs]4275b · ×3 · White -
Magnet Cylindrical73092 · ×1 · Black -
Magnet Holder 2 x 32607 · ×1 · White -
![Panel 1 x 2 x 1 [Square Corners]](https://cdn.rebrickable.com/media/parts/elements/486501.jpg)
Panel 1 x 2 x 1 [Square Corners]4865a · ×1 · White -
Plate 1 x 23023 · ×2 · Black -
Plate 1 x 23023 · ×1 · White -
Plate 2 x 103832 · ×1 · Black -
Plate 2 x 43020 · ×1 · 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 -
Sticker Sheet for Exploriens Set170911 · ×1 · [No Color/Any Color] -
Sticker Sheet for Sets 1737-1, 6815-1, 6854-1, 6856-1, 6899-1, 6938-1170900 · ×1 · [No Color/Any Color] -
Sticker Sheets for Sets 1737-1, 5129-1, 6854-1, 6856-1, 6899-1, 6938-1, 6958-1, 6982-1170910 · ×1 · [No Color/Any Color] -
Tile 1 x 2 with Groove3069b · ×1 · White -
Tile 2 x 2 with Groove3068b · ×1 · White -
Tile 2 x 2 with Groove3068b · ×1 · Black -
Tile Round 2 x 2 with Bottom Cross4150 · ×1 · Black -
Tile Special 1 x 1 with Clip and Straight Tips2555 · ×1 · Black -
Tile Special 1 x 2 Grille with Bottom Groove2412b · ×1 · Black -
Turntable 2 x 2 Plate - Top3679 · ×1 · Light Gray -
Turntable 2 x 2 Plate, Base3680 · ×1 · Black -
Wheel Hard Plastic Small (22mm D. x 24mm)6118 · ×4 · Black