12V Freight Train and Track (725-2) is a 12V LEGO set released in 1974 with 314 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing 12V sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 65 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
1974 (52 years ago — may be retired)
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Catalog scale
314 parts listed · 65 inventory lines tracked
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Minifigures
No minifigs in inventory (brick-only or Technic set)
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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.)
~631 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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Parts in this set
65 parts · page 1 of 2 · updating…
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Brick 1 x 13005 · ×2 · Trans-Clear -
Brick 1 x 13005 · ×14 · Black -
Brick 1 x 13005 · ×6 · Red -
Brick 1 x 23004 · ×1 · Trans-Clear -
Brick 1 x 23004 · ×22 · Black -
Brick 1 x 23004 · ×4 · Red -
Brick 1 x 43010 · ×6 · Red -
Brick 1 x 43010 · ×16 · Black -
Brick 1 x 63009 · ×14 · Black -
Brick 1 x 63009 · ×6 · Red -
Brick 1 x 83008 · ×4 · Black -
Brick 2 x 2 without Inside Ridges3003a · ×3 · Black -
Brick 2 x 3 without Cross Supports3002a · ×2 · Red -
Brick 2 x 4 without Cross Supports3001a · ×1 · Red -
Brick 2 x 4, 12V with Power Pickups for Train Motor and Solid Pins433c01 · ×2 · Black -
Brick Round 1 x 1 Solid Stud3062a · ×1 · Black -
Brick Round 1 x 1 Solid Stud3062a · ×2 · White -
Brick Round Corner 2 x 2 Macaroni with Stud Notch3063b · ×16 · White -
Brick Sloped 45° 2 x 1 without Bottom Pin3040a · ×7 · Black -
Brick Sloped 45° 2 x 33038 · ×6 · Black -
Brick Special 2 x 4 with Wheel Holder Old, Clear Bottom, Red Inside7049bc01 · ×1 · Black -
Cone 4 x 4 x 3 with Single Solid Stud272 · ×2 · White -
Door 1 x 5 x 4 Left3195 · ×2 · Red -
Door 1 x 5 x 4 Right3194 · ×2 · Red -
Electric Adapter / Transformer, Train 12V, 220V Type 2upn0127 · ×1 · Blue -
Electric Connector, 2 Way Male Rounded Wide Long, Hollow Pinsupn0128c01 · ×1 · Blue -
Motor, Train, 12V 12 x 4 x 3 1/3 Type I with Two Side Holesupn0274c02 · ×1 · Black -
Panel, Trapezoid, Tipper End Flat with Pins, 1 x 2 Anti-studs3145 · ×4 · Yellow -
Plate 1 x 13024 · ×4 · Black -
Plate 1 x 23023 · ×3 · Black -
Plate 1 x 23023 · ×2 · Red -
Plate 1 x 23023 · ×2 · Light Gray -
Plate 1 x 83460 · ×1 · White -
Plate 2 x 23022 · ×2 · Black -
Plate 2 x 23022 · ×1 · Red -
Plate 2 x 23022 · ×1 · Yellow -
Plate 2 x 33021 · ×10 · Black -
Plate 2 x 33021 · ×4 · Light Gray -
Plate 2 x 43020 · ×1 · Light Gray -
Plate 2 x 43020 · ×1 · Yellow -
Plate 2 x 83034 · ×1 · Yellow -
Plate 2 x 83034 · ×20 · White -
Plate 2 x 83034 · ×1 · Light Gray -
Plate 4 x 123029 · ×2 · Yellow -
Plate 4 x 63032 · ×2 · Black -
Plate 6 x 163027 · ×1 · Light Gray -
Plate 6 x 83036 · ×1 · Black -
Sticker Sheet for Set 725-2004285 · ×1 · [No Color/Any Color]