How many pieces are in the Tri-Wheeled Tyrax?

Tri-Wheeled Tyrax contains 39 pieces.

When was the Tri-Wheeled Tyrax released?

Tri-Wheeled Tyrax was released in 1991.

🏛 Blacktron II

Set #6851

Tri-Wheeled Tyrax

The Tri-Wheeled Tyrax is a classic slice of 1990s LEGO space.

Before you buy

Who it's for: Beginner build Perfect for younger builders and vintage LEGO collectors
Build: 39 pieces · about 0.5 hours Build time is an estimate.
Availability: Likely retired

★★★☆☆ 3.4 community rating

Fans appreciate this set for its nostalgia and classic Blacktron II design, though some find the build simple and the play features limited compared to more modern sets.

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📝 Our Take

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

The Tri-Wheeled Tyrax is a classic slice of 1990s LEGO space. Part of the iconic Blacktron II theme, this set features a unique three-wheeled design and a sleek, futuristic aesthetic that captures the imagination.

This set is perfect for LEGO space enthusiasts and collectors of vintage sets. The build is straightforward and enjoyable, offering a quick and satisfying experience, and the set is ideal for display or integration into larger Blacktron II dioramas.

Skip this if you're primarily interested in complex building techniques or large-scale models. Consider more modern LEGO space sets like those from the City or Creator themes for more intricate builds.

✨ New

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How does the Tri-Wheeled Tyrax fit into the larger Blacktron II theme? What are the key features that make this set appealing to collectors? How does the value of this set compare to other vintage LEGO space sets? What is the best way to display the Tri-Wheeled Tyrax as part of a LEGO collection?

🧱 Building Experience

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

🧩

Pieces

⏱

0.5h

Estimated Build Time

📊

Beginner

Difficulty

Build Highlights:

Simple and quick build
Unique three-wheeled design
Classic Blacktron II color scheme
Features a trans-neon green canopy

📈 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 Tri-Wheeled Tyrax, being a classic Blacktron II set from 1991, holds some investment potential, especially for collectors interested in vintage LEGO space themes. Its relatively low piece count and the single minifigure may limit its appreciation compared to larger, more complex sets. However, the set's age, the popularity of the Blacktron II theme, and its increasing rarity contribute to its potential as a long-term investment. Maintaining the set in excellent condition with original packaging will significantly enhance its value.

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

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The Tri-Wheeled Tyrax is a smaller, more affordable entry point into the Blacktron II theme compared to larger sets like the Invader (6987-1). While the Invader offers a more substantial build and greater play features, the Tri-Wheeled Tyrax provides a taste of the classic Blacktron II aesthetic in a compact package. Collectors on a budget or those looking for a quick, nostalgic build might prefer the Tri-Wheeled Tyrax.

1 Minifigure Included

Blacktron II - 3626b Head

6 parts

B+

The set includes a single Blacktron II minifigure with the classic black and white suit and trans-neon green accents, a standard design for the theme.

📦 Parts Inventory

Official piece count: 39
Parts cataloged in this inventory: 20 unique parts, 32 pieces
Minifigures: 1

LEGO counts 39 pieces. This inventory comes from a separate parts catalog and lists 38, including the 6 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.

Tile Special 1 x ...

Part #: 2432 1× Black

Panel 3 x 2 x 6

Part #: 2466 1× Trans-Neon Green

Tile Special 1 x ...

Part #: 2555 2× White

Antenna 8H Whip

Part #: 2569 2× Trans-Neon Green

Wheel Hard Plasti...

Part #: 2593 3× Black

Brick 1 x 2

Part #: 3004 1× Black

Brick 1 x 2

Part #: 3004 2× White

Brick 2 x 8

Part #: 3007 1× Black

Brick 1 x 6

Part #: 3009 2× Black

Plate 2 x 3

Part #: 3021 2× Black

Plate 2 x 2

Part #: 3022 1× White

Plate 1 x 2

Part #: 3023 1× Black

Tile 1 x 2 with R...

Part #: 3069bpr0048 1× White

Brick Sloped 33° ...

Part #: 3298 1× Black

Brick Sloped Inve...

Part #: 3660 1× Black

Plate 1 x 4

Part #: 3710 1× White

Plate 2 x 6

Part #: 3795 1× Black

Plate 2 x 6

Part #: 3795 2× White

Hinge Brick 1 x 2...

Part #: 3937 1× Black

Hinge Brick 1 x 2...

Part #: 3938 1× White

Plate Special 1 x...

Part #: 4590 1× Black

Brick Special 2 x...

Part #: 4730 3× Black

The set includes a few trans-neon green elements that are characteristic of the Blacktron II theme, along with a selection of basic black and white bricks and plates useful for building space-themed MOCs.