Tri-Wheeled Tyrax (6851-1) is a Blacktron II LEGO set released in 1991 with 38 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Blacktron II 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 22 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
1991 (35 years ago — may be retired)
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Catalog scale
38 parts listed · 22 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
No digital manual in our catalog — check the box tab or LEGO.com
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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.)
~66 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 Tri-Wheeled Tyrax
Parts in this set
22 parts · updating…
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Antenna 8H Whip2569 · ×2 · Trans-Neon Green -
Brick 1 x 23004 · ×1 · Black -
Brick 1 x 23004 · ×2 · White -
Brick 1 x 63009 · ×2 · Black -
Brick 2 x 83007 · ×1 · Black -
Brick Sloped 33° 3 x 23298 · ×1 · 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 · ×1 · Black -
Brick Special 2 x 2 with Pin and No Axle Hole4730 · ×3 · Black -
Hinge Brick 1 x 2 Base3937 · ×1 · Black -
Hinge Brick 1 x 2 Top Plate Thin3938 · ×1 · White -
Panel 3 x 2 x 62466 · ×1 · Trans-Neon Green -
Plate 1 x 23023 · ×1 · Black -
Plate 1 x 43710 · ×1 · White -
Plate 2 x 23022 · ×1 · White -
Plate 2 x 33021 · ×2 · Black -
Plate 2 x 63795 · ×1 · Black -
Plate 2 x 63795 · ×2 · White -
Plate Special 1 x 4 Offset with Bar Holes4590 · ×1 · Black -
Tile 1 x 2 with Red and Yellow Control Panel Print (Original)3069bpr0048 · ×1 · White -
Tile Special 1 x 1 with Clip and Straight Tips2555 · ×2 · White -
Tile Special 1 x 2 with Handle2432 · ×1 · Black -
Wheel Hard Plastic Medium (35mm D. x 31mm)2593 · ×3 · Black