How many pieces are in the Neptune Discovery Lab?

Neptune Discovery Lab contains 508 pieces.

When was the Neptune Discovery Lab released?

Neptune Discovery Lab was released in 1995.

🏛 Aquanauts

Set #6195

Neptune Discovery Lab

The Neptune Discovery Lab is a classic underwater exploration set.

Before you buy

Who it's for: Intermediate build Ideal for LEGO fans who enjoy classic themes and underwater adventures
Build: 508 pieces · about 4.5 hours Build time is an estimate.
Availability: Likely retired

★★★★☆ 4.5 community rating from 148 ratings

Fans praise the Neptune Discovery Lab for its unique design and nostalgic value, capturing the essence of classic LEGO underwater themes. Some find the color scheme a bit dated, but appreciate the play features and the inclusion of multiple minifigures.

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📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

The Neptune Discovery Lab is a classic underwater exploration set. Released in 1995 as part of the Aquanauts theme, it features a detailed research base and a submersible for exploring the ocean depths, capturing the adventurous spirit of LEGO's undersea adventures.

This set is perfect for LEGO enthusiasts who appreciate vintage themes and imaginative play. The build is engaging with its unique octagonal structures and underwater vehicles, offering a nostalgic experience for older fans and a creative playset for younger builders.

Skip this if you prefer modern, highly detailed sets with complex building techniques. While charming, the Neptune Discovery Lab lacks the sophistication of contemporary LEGO models; consider newer underwater-themed sets like those from the City or Creator lines for advanced builds.

✨ New

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How does the Neptune Discovery Lab compare to other Aquazone sets in terms of design and playability? What are the best ways to display this set to highlight its underwater theme? How has the value of this set changed over time, and what factors influence its collectibility? Are there any common modifications or upgrades that enhance the set's appearance or functionality?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI

🧩

508

Pieces

⏱

4.5h

Estimated Build Time

📊

Intermediate

Difficulty

Build Highlights:

Unique octagonal building design
Submersible vehicle construction
Use of transparent orange elements for visual appeal
Integrated play features for underwater exploration

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI

Not enough price history for a trend

Investment Grade

⏳ Retired

The Neptune Discovery Lab presents a moderate investment opportunity. As a set from the mid-90s Aquanauts theme, it benefits from nostalgia among older LEGO fans. Its rarity and complete condition can drive up its value on the secondary market. However, its investment potential is somewhat tempered by the fact that it's not a licensed theme and the piece count is moderate. Over time, well-preserved sets should see appreciation, but returns may not be as high as more iconic themes or limited-edition sets. Proper storage and documentation will be key to maximizing its value.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

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Compared to modern underwater-themed sets, the Neptune Discovery Lab offers a simpler, more classic LEGO building experience. While sets like the LEGO City Deep Sea Explorers offer more advanced building techniques and detailed minifigures, the Neptune Discovery Lab appeals to collectors seeking nostalgia. It provides a more straightforward build and focuses on imaginative play, making it a unique addition to any collection.

4 Minifigures Included

The set includes four Aquanaut minifigures, each equipped with scuba gear and the Aquanauts logo, enhancing the underwater exploration theme. These figures are exclusive to the Aquazone subthemes, increasing their collectibility.

📦 Parts Inventory

Official piece count: 508
Parts cataloged in this inventory: 149 unique parts, 489 pieces
Minifigures: 4

LEGO counts 508 pieces. This inventory comes from a separate parts catalog and lists 509, including the 20 parts inside the minifigures; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

Minifig Hose Nozz...

Part #: 194c04 1× Light Gray

Flag 2 x 2 Square...

Part #: 2335 2× Yellow

Panel 3 x 3 x 6 C...

Part #: 2345 1× Yellow

Brick 2 x 2 Corner

Part #: 2357 1× Black

Brick 2 x 2 Corner

Part #: 2357 1× Yellow

Panel 10 x 6 x 11

Part #: 2408 2× Trans-Dark Blue

Tile Special 1 x ...

Part #: 2412a 1× Yellow

Tile Special 1 x ...

Part #: 2412b 11× Black

Windscreen 6 x 6 ...

Part #: 2418b 1× Trans-Dark Blue

Wedge Plate 3 x 6...

Part #: 2419 2× Black

Plate 2 x 2 Corner

Part #: 2420 1× Yellow

Plate 2 x 2 Corner

Part #: 2420 5× Black

Tile 1 x 4 with G...

Part #: 2431 4× Black

Tile Special 1 x ...

Part #: 2432 3× Yellow

Brick Special 2 x...

Part #: 2434 1× Yellow

Brick Sloped Inve...

Part #: 2449 1× Black

Wedge Plate 3 x 3...

Part #: 2450 3× Black

Tile Special 2 x ...

Part #: 2460 2× Yellow

Brick 1 x 16

Part #: 2465 4× Yellow

Plate Special 1 x...

Part #: 2540 4× Black

Antenna 8H Whip

Part #: 2569 2× Trans-Neon Orange

Hinge Panel 2 x 4...

Part #: 2582 2× Trans-Dark Blue

Hinge Panel 2 x 4...

Part #: 2582pr0006 2× Yellow

Door 1 x 9 x 11 w...

Part #: 2596 2× Trans-Dark Blue

Windscreen 10 x 1...

Part #: 2598 1× Trans-Dark Blue

Magnet Holder 2 x 3

Part #: 2607 1× Black

Magnet Holder Til...

Part #: 2609a 2× Black

Cockpit 10 x 10 x...

Part #: 2618 1× Yellow

Plate 4 x 4 Corner

Part #: 2639 2× Black

Plate Round 2 x 2...

Part #: 2654 2× Black

Door Frame 2 x 8 ...

Part #: 2662 2× Yellow

Technic Slope Lon...

Part #: 2744 2× Black

Technic Engine Cr...

Part #: 2854 2× Light Gray

Arm Holder Brick ...

Part #: 30014 2× Black

Brick 2 x 2

Part #: 3003 3× Black

Brick 2 x 2

Part #: 3003 3× Yellow

Brick 1 x 2

Part #: 3004 4× Black

Brick 1 x 2

Part #: 3004 13× Yellow

Brick 1 x 1

Part #: 3005 9× Yellow

Brick 2 x 10

Part #: 3006 2× Yellow

Brick 1 x 8

Part #: 3008 1× Black

Brick 1 x 8

Part #: 3008 1× Yellow

Brick 1 x 6

Part #: 3009 1× Black

Brick 1 x 4

Part #: 3010 6× Black

Brick 1 x 4

Part #: 3010 5× Yellow

Plate 2 x 4

Part #: 3020 8× Black

Plate 2 x 3

Part #: 3021 4× Black

Plate 2 x 3

Part #: 3021 2× Yellow

Plate 2 x 2

Part #: 3022 2× Yellow

Plate 2 x 2

Part #: 3022 6× Black

Plate 1 x 2

Part #: 3023 5× Yellow

Plate 1 x 2

Part #: 3023 15× Black

Plate 1 x 1

Part #: 3024 2× Yellow

Plate 6 x 12

Part #: 3028 1× Black

Plate 4 x 4

Part #: 3031 1× Black

Plate 4 x 6

Part #: 3032 3× Black

Plate 4 x 6

Part #: 3032 1× Yellow

Plate 2 x 8

Part #: 3034 3× Yellow

Plate 4 x 8

Part #: 3035 2× Black

Brick Sloped 45° ...

Part #: 3037 2× Yellow

Rock 1 x 1 Crysta...

Part #: 30385 3× Chrome Silver

Brick Sloped 45° ...

Part #: 3039 2× Yellow

Brick Sloped 45° ...

Part #: 3039 1× Black

Brick Sloped 45° ...

Part #: 3039pr9980 2× Yellow

Brick Sloped 45° ...

Part #: 3040b 2× Yellow

Brick Sloped 45° ...

Part #: 3040b 3× Black

Brick Sloped 45° ...

Part #: 3040bpr0008 1× Black

Brick Round 1 x 1...

Part #: 3062b 13× Yellow

Tile 1 x 2 with G...

Part #: 3069b 3× Black

Tile 1 x 2 with G...

Part #: 3069b 2× Yellow

Tile 1 x 2 with L...

Part #: 3069bpr0035 4× Yellow

Tile 1 x 2 with U...

Part #: 3069bpr0093 2× Yellow

Tile 1 x 1 with G...

Part #: 3070b 2× Black

Tile 1 x 1 with R...

Part #: 3070bpr0031 1× Yellow

Brick Sloped 33° ...

Part #: 3297 1× Yellow

Brick Arch 1 x 6 ...

Part #: 3307 1× Yellow

Turntable 4 x 4 S...

Part #: 3403 1× Black

Turntable 4 x 4 Top

Part #: 3404 1× Black

Plate 1 x 8

Part #: 3460 1× Yellow

Plate Special 2 x...

Part #: 3491 1× Black

Crane Bucket [Com...

Part #: 3492c01 1× Trans-Dark Blue

Arm Piece Straigh...

Part #: 3612 6× Yellow

Arm Piece Straigh...

Part #: 3612 2× Black

Brick 1 x 3

Part #: 3622 4× Yellow

Plate 1 x 3

Part #: 3623 3× Yellow

Fence Lattice 1 x...

Part #: 3633 1× Black

Brick Sloped Inve...

Part #: 3660 3× Yellow

Brick Sloped Inve...

Part #: 3665 4× Black

Brick Sloped Inve...

Part #: 3665 2× Yellow

Plate 1 x 6

Part #: 3666 1× Yellow

Technic Pin witho...

Part #: 3673 2× Light Gray

Weapon Dagger / K...

Part #: 37 4× Chrome Silver

Technic Brick 1 x...

Part #: 3700 7× Yellow

Technic Brick 1 x...

Part #: 3701 2× Black

Technic Brick 1 x...

Part #: 3702 2× Black

Technic Axle 2

Part #: 3704 1× Black

Technic Axle 4

Part #: 3705 2× Black

Technic Axle 6

Part #: 3706 3× Black

Plate 1 x 4

Part #: 3710 5× Black

Technic Link

Part #: 3711a 23× Black

Technic Bush

Part #: 3713 1× Light Gray

Plate Special 2 x...

Part #: 3729 1× Yellow

Plate Special 2 x...

Part #: 3730 1× Yellow

Technic Axle Pin ...

Part #: 3749 4× Light Gray

Plate 2 x 6

Part #: 3795 1× Black

Plate 2 x 6

Part #: 3795 3× Yellow

Steering Stand 1 ...

Part #: 3829c01 1× Yellow

Plate Special 1 x...

Part #: 3839b 3× Black

Hinge Brick 1 x 2...

Part #: 3937 3× Black

Hinge Brick 1 x 2...

Part #: 3937 1× Yellow

Brick Round 2 x 2...

Part #: 3941 1× Black

Plate 6 x 6

Part #: 3958 1× Black

Technic Gear 16 T...

Part #: 4019 3× Light Gray

Plate Round 2 x 2...

Part #: 4032a 2× Black

Brick Special 1 x...

Part #: 4070 2× Black

Brick Special 1 x...

Part #: 4070 3× Trans-Neon Orange

Plate Special 1 x...

Part #: 4085c 7× Black

Arm Piece 90° Tur...

Part #: 412 4× Trans-Neon Orange

Tile Round 2 x 2 ...

Part #: 4150pr0029 1× Yellow

Brick Sloped 33° ...

Part #: 4161 4× Black

Hinge Vehicle Roo...

Part #: 4213 4× Black

Arm Grab Jaw Hold...

Part #: 4220 1× Yellow

Arm Grab Jaw

Part #: 4221 2× Black

Technic Bush 1/2 ...

Part #: 4265b 1× Light Gray

Plate 2 x 16

Part #: 4282 1× Black

Brick Sloped 33° ...

Part #: 4286 4× Yellow

Brick Sloped 33° ...

Part #: 4286 1× Black

Hinge Vehicle Roo...

Part #: 4315 1× Yellow

Hinge Vehicle Roo...

Part #: 4315 3× Black

Box 2 x 2 x 2 [Ho...

Part #: 4345b 2× Trans-Neon Orange

Box 2 x 2 x 2 Doo...

Part #: 4346 2× Trans-Neon Orange

Brick Sloped 45° ...

Part #: 4445 2× Yellow

Brick Sloped 75° ...

Part #: 4460a 4× Black

Technic Axle 3

Part #: 4519 1× Black

Plate Special 1 x...

Part #: 4590 1× Black

Plate Special 1 x...

Part #: 4623 1× Yellow

Hinge Tile 1 x 4

Part #: 4625 5× Black

Bar 1 x 3 [Clip /...

Part #: 4735 2× Black

Wedge Plate 3 x 4...

Part #: 4859 1× Black

Panel 1 x 2 x 2 [...

Part #: 4864a 2× Trans-Dark Blue

Panel 1 x 2 x 1 [...

Part #: 4865a 3× Black

Panel 1 x 2 x 1 [...

Part #: 4865a 1× Yellow

Weapon Harpoon [4...

Part #: 57467 4× Chrome Silver

Minifig Footwear ...

Part #: 59275 8× Blue

Plate Special 1 x...

Part #: 6019 5× Black

Bar 7 x 3 with Do...

Part #: 6020 1× Black

Baseplate Raised ...

Part #: 6024pr0001 2× Light Blue

Brick Special Oct...

Part #: 6032 6× Yellow

Brick Special Oct...

Part #: 6037 11× Yellow

Cone 2 x 2 x 1 2/...

Part #: 6039 8× Yellow

Propeller Housing

Part #: 6040 1× Yellow

Propeller 3 Blade...

Part #: 6041 8× Trans-Neon Orange

Brick Special Oct...

Part #: 6042 6× Yellow

Brick Special Oct...

Part #: 6043 7× Yellow

Brick Sloped 53° ...

Part #: 6044 2× Yellow

Bar 9 x 13 Grille

Part #: 6046 1× Yellow

Plate Special 10 ...

Part #: 6063 1× Yellow

Plant, Bush 2 x 2...

Part #: 6064 2× Green

Plant, Prickly Bu...

Part #: 6065 2× Red

Plant, Prickly Bu...

Part #: 6065 1× Green

Windscreen 8 x 3 ...

Part #: 6084 1× Trans-Dark Blue

Cockpit 5 x 8 x 3...

Part #: 6085 1× Trans-Dark Blue

Animal, Octopus [...

Part #: 6086 1× Black

Bracket 5 x 2 x 2...

Part #: 6087 1× Black

Hinge Brick 2 x 2...

Part #: 6134 1× Red

Bar 1 x 6 [Closed...

Part #: 6140 1× Black

Plate Round 1 x 1...

Part #: 6141 2× Trans-Neon Orange

Arm Piece with Pi...

Part #: 6217 1× Yellow

Brick Special 2 x...

Part #: 6232 2× Yellow

Equipment Compass...

Part #: 70001pr0001 1× Black

Magnet Cylindrical

Part #: 73092 3× Black

The set includes a good selection of yellow and black parts, with several octagonal bricks that are unique to this theme. The trans-neon orange propellers add a vibrant touch and are useful for creating underwater vehicles.