Neptune Discovery Lab (6195-1) is a Aquanauts LEGO set released in 1995 with 509 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Aquanauts 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 171 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
1995 (31 years ago — may be retired)
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Catalog scale
509 parts listed · 171 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
No digital manual in our catalog — check the box tab or LEGO.com
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Build complexity
Large set — expect sticker sheets or multiple subassemblies; inspect photos closely
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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.)
~936 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 Neptune Discovery Lab
Parts in this set
171 parts · page 1 of 4 · updating…
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![Animal, Octopus [Plain]](https://cdn.rebrickable.com/media/parts/elements/6096092.jpg)
Animal, Octopus [Plain]6086 · ×1 · Black -
Antenna 8H Whip2569 · ×2 · Trans-Neon Orange -
Arm Grab Jaw4221 · ×2 · Black -
Arm Grab Jaw Holder, 3 Fingers4220 · ×1 · Yellow -
Arm Holder Brick 1 x 2 with 2 Horizontal Fingers30014 · ×2 · 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 · ×4 · Trans-Neon Orange -
Arm Piece Straight with 2 and 3 Fingers3612 · ×2 · Black -
Arm Piece Straight with 2 and 3 Fingers3612 · ×6 · Yellow -
Arm Piece with Pin, 3 Fingers6217 · ×1 · Yellow -
![Bar 1 x 3 [Clip / Anti-Stud]](https://cdn.rebrickable.com/media/parts/elements/4141580.jpg)
Bar 1 x 3 [Clip / Anti-Stud]4735 · ×2 · Black -
![Bar 1 x 6 [Closed Studs]](https://cdn.rebrickable.com/media/parts/elements/6415609.jpg)
Bar 1 x 6 [Closed Studs]6140 · ×1 · Black -
![Bar 7 x 3 with Double Clips (Ladder) [Straight Clips]](https://cdn.rebrickable.com/media/parts/elements/602026.jpg)
Bar 7 x 3 with Double Clips (Ladder) [Straight Clips]6020 · ×1 · Black -
Bar 9 x 13 Grille6046 · ×1 · Yellow -
Baseplate Raised 32 x 32 Canyon with Blue Underwater Print6024pr0001 · ×2 · Light Blue -
![Box 2 x 2 x 2 [Hollow Studs]](https://cdn.rebrickable.com/media/parts/elements/3006047.jpg)
Box 2 x 2 x 2 [Hollow Studs]4345b · ×2 · Trans-Neon Orange -
Box 2 x 2 x 2 Door with Slot4346 · ×2 · Trans-Neon Orange -
Bracket 5 x 2 x 2 1/3 with Holes, Smooth Bottom6087 · ×1 · Black -
Brick 1 x 13005 · ×9 · Yellow -
Brick 1 x 162465 · ×4 · Yellow -
Brick 1 x 23004 · ×4 · Black -
Brick 1 x 23004 · ×13 · Yellow -
Brick 1 x 33622 · ×4 · Yellow -
Brick 1 x 43010 · ×6 · Black -
Brick 1 x 43010 · ×5 · Yellow -
Brick 1 x 63009 · ×1 · Black -
Brick 1 x 83008 · ×1 · Yellow -
Brick 1 x 83008 · ×1 · Black -
Brick 2 x 103006 · ×2 · Yellow -
Brick 2 x 23003 · ×3 · Yellow -
Brick 2 x 23003 · ×3 · Black -
Brick 2 x 2 Corner2357 · ×1 · Black -
Brick 2 x 2 Corner2357 · ×1 · Yellow -
Brick Arch 1 x 6 x 2 - Thick Top with Reinforced Underside3307 · ×1 · Yellow -
Brick Round 1 x 1 Open Stud3062b · ×13 · Yellow -
Brick Round 2 x 2 with Axle Hole3941 · ×1 · Black -
Brick Sloped 33° 3 x 14286 · ×4 · Yellow -
Brick Sloped 33° 3 x 14286 · ×1 · Black -
Brick Sloped 33° 3 x 34161 · ×4 · Black -
Brick Sloped 33° 3 x 43297 · ×1 · Yellow -
Brick Sloped 45° 2 x 1 with Bottom Pin3040b · ×2 · Yellow -
Brick Sloped 45° 2 x 1 with Bottom Pin3040b · ×3 · 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 · Yellow -
Brick Sloped 45° 2 x 23039 · ×1 · Black -
Brick Sloped 45° 2 x 2 with Grid Screen, Shark, and Controls on Red Panel Print (Aquazone)3039pr9980 · ×2 · Yellow -
Brick Sloped 45° 2 x 43037 · ×2 · Yellow -
Brick Sloped 45° 2 x 84445 · ×2 · Yellow -
Brick Sloped 53° 3 x 1 x 3 1/3 with Studs on Slope6044 · ×2 · Yellow