
Parts list 98
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Technic Bush 1/2 Toothed Type II [X Opening] No longer produced · last seen 2002 × 36![Technic Bush 1/2 Toothed Type II [X Opening] Light Gray](/media/parts/4265b/7/technic-bush-12-toothed-type-ii-x-opening-light-gray.jpg)
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Plate 1 × 4 × 20
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Technic Pin 1/2 without Friction Ridges No longer produced · last seen 2004 × 20
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Technic Pin with Friction Ridges Lengthwise and Center Slots No longer produced · last seen 2021 × 14
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Technic Brick 1 × 2 [1 Pin Hole] × 14![Technic Brick 1 × 2 [1 Pin Hole] Black](/media/parts/3700/0/technic-brick-1-x-2-1-pin-hole-black.jpg)
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Technic Axle 4 × 13
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Technic Gear 12 Tooth Bevel No longer produced · last seen 2003 × 13
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Technic Beam 1 × 3 Thin × 12
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Technic Axle 3 No longer produced · last seen 2004 × 11
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Technic Brick 1 × 16 [15 Pin Holes] × 10![Technic Brick 1 × 16 [15 Pin Holes] Black](/media/parts/3703/0/technic-brick-1-x-16-15-pin-holes-black.jpg)
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Technic Axle and Pin Connector Perpendicular No longer produced · last seen 2004 × 10
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Technic Axle 2 No longer produced · last seen 2005 × 9
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Technic Plate 2 × 4 [3 Holes] × 9![Technic Plate 2 × 4 [3 Holes] Black](/media/parts/3709/0/technic-plate-2-x-4-3-holes-black.jpg)
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Technic Slope Long 1 × 6 with 3 Pin Holes No longer produced · last seen 2024 × 8
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Technic Beam 1 × 4 Thin with Stud Connector × 8
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Technic Beam 1 × 4 Thin with Stud Connector No longer produced · last seen 2003 × 8
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Technic Axle 10 × 8
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Technic Axle Pin without Friction Ridges Lengthwise No longer produced · last seen 2006 × 8
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Technic Beam 1 × 3 Thin No longer produced · last seen 2003 × 8
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Technic Pin 3/4 No longer produced · last seen 2004 × 8
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Plate 1 × 2 × 7
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Technic Axle Connector Ridged [with x Hole x Orientation] No longer produced · last seen 2006 × 7![Technic Axle Connector Ridged [with x Hole x Orientation] Light Gray](/media/parts/6538b/7/technic-axle-connector-ridged-with-x-hole-x-orientation-light-gray.jpg)
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Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots No longer produced · last seen 2013 × 7
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Plate 2 × 2 Corner × 6
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Technic Beam Triangle Thin [Type I] No longer produced · last seen 2012 × 6![Technic Beam Triangle Thin [Type I] Black](/media/parts/2905/0/technic-beam-triangle-thin-type-i-black.jpg)
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Technic Brick 1 × 6 [5 Pin Holes] × 6![Technic Brick 1 × 6 [5 Pin Holes] Black](/media/parts/3894/0/technic-brick-1-x-6-5-pin-holes-black.jpg)
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Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) No longer produced · last seen 2003 × 6
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Technic Beam 1 × 3 Thin × 6
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Plate 1 × 2 × 5
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Technic Gear 8 Tooth No longer produced · last seen 2006 × 5
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Technic Axle 6 × 5
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Technic Axle 8 × 5
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Technic Axle 12 × 5
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Hose Rigid 3mm D. 4L / 3.2cm No longer produced · last seen 2000 × 5
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Propeller 2 Blade 9 Diameter No longer produced · last seen 2008 × 4
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Plate 2 × 2 × 4
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Wheel with Split Axle Hole No longer produced · last seen 2006 × 4
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Tyre Offset Tread 24 × 8 No longer produced · last seen 2009 × 4
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Brick Sloped Inverted 45° 2 × 1 No longer produced · last seen 2005 × 4
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Plate 1 × 6 × 4
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Technic Brick 1 × 4 [3 Pin Holes] × 4![Technic Brick 1 × 4 [3 Pin Holes] Black](/media/parts/3701/0/technic-brick-1-x-4-3-pin-holes-black.jpg)
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Plate 1 × 4 × 4
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Technic Bush No longer produced · last seen 2004 × 4
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Brick Sloped 33° 3 × 1 × 4
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Brick Sloped Inverted 34° 3 × 1 without Internal Stopper No longer produced · last seen 2004 × 4
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Plate 1 × 10 × 4
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Technic Brick 1 × 2 [2 Pin Holes] × 4![Technic Brick 1 × 2 [2 Pin Holes] Black](/media/parts/32000/0/technic-brick-1-x-2-2-pin-holes-black.jpg)
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Plate Round 2 × 2 with Axle Hole Type 1 (+ Opening) × 4
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Hinge Plate 1 × 4 Swivel Top / Base - Solid Clip [Complete Assembly] No longer produced · last seen 2024 × 4![Hinge Plate 1 × 4 Swivel Top / Base - Solid Clip [Complete Assembly] Black](/media/parts/73983/0/hinge-plate-1-x-4-swivel-top-base-solid-clip-complete-assembly-black.jpg)
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Hinge Plate 1 × 4 Swivel Top / Base - Solid Clip [Complete Assembly] No longer produced · last seen 2022 × 4![Hinge Plate 1 × 4 Swivel Top / Base - Solid Clip [Complete Assembly] Yellow](/media/parts/73983/14/hinge-plate-1-x-4-swivel-top-base-solid-clip-complete-assembly-yellow.jpg)
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Technic Axle and Pin Connector No longer produced · last seen 2003 × 3
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Technic Brick 1 × 8 [7 Pin Holes] × 3![Technic Brick 1 × 8 [7 Pin Holes] Black](/media/parts/3702/0/technic-brick-1-x-8-7-pin-holes-black.jpg)
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Tile Special 1 × 2 Grille with Bottom Groove No longer produced · last seen 2004 × 2
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Tile 1 × 4 with Groove × 2
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Plate Special 2 × 2 with 1 Pin Hole [Split Underside Ribs] No longer produced · last seen 2013 × 2![Plate Special 2 × 2 with 1 Pin Hole [Split Underside Ribs] Black](/media/parts/2444/0/plate-special-2-x-2-with-1-pin-hole-split-underside-ribs-black.jpg)
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Plate Round 2 × 2 with Rounded Bottom [Boat Stud] × 2![Plate Round 2 × 2 with Rounded Bottom [Boat Stud] Black](/media/parts/2654/0/plate-round-2-x-2-with-rounded-bottom-boat-stud-black.jpg)
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Technic Plate 1 × 5 with Toothed Ends, 2 Studs and Center Axle Hole No longer produced · last seen 2003 × 2
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Technic Plate 1 × 5 with Toothed Ends, 2 Studs and Center Axle Hole No longer produced · last seen 1997 × 2
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Technic Axle Towball No longer produced · last seen 2004 × 2
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Technic Engine Crankshaft No longer produced · last seen 2003 × 2
No part matches this colour selection.
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Description
Searching for it
Some Technic sets from the 1990s carry more than one name, and 8425 is catalogued as both Black Hawk and Sky Stormer. When hunting for a used copy, search by set number first and then try each name, since sellers tend to use whichever one appears on their box. The number is the one detail that stays constant, which helps avoid mix-ups with other sets that share similar-sounding titles. It is also the key to looking up the matching parts list on this page.
Palette and period
Black is the most common colour in the inventory, with old light grey, yellow and old dark grey following. Yellow on black was a very typical Technic look in the 1990s and gives the model strong contrast. The greys are the pre-2004 shades rather than the bluish greys used today, so the set sits naturally alongside other models from the same decade on a shelf. If you mix it with newer parts, the difference in tone is noticeable.
Parts and building style
The 469 pieces are spread over 98 unique parts, a balanced mix that keeps the build varied without making the sorting tedious. Sets from this period typically combine studded Technic bricks with axles and pins, alongside the early studless beams that were starting to appear. For builders familiar only with modern Technic, that blend offers a slightly different way of thinking about structure, and it is a manageable size for a single sitting.
Complete it, then repurpose it
Use the full parts list on this page to check a second-hand copy element by element, with colours and quantities shown for each line. If you have several older Technic sets in one tub, the “What can I build?” feature can compare the combined collection against other sets and tell you which ones you could rebuild in full or nearly in full, so the pieces are not limited to one model.
FAQ
- Is Black Hawk the same set as Sky Stormer?
- Yes, both names refer to set 8425 from 1996.
- How many pieces and unique parts does it have?
- It has 469 pieces made up of 98 unique parts.
- Which colours are most common?
- Black, old light grey, yellow and old dark grey.
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