12V Electric Train with 2 Wagons (722-2) is a 12V LEGO set released in 1970 with 155 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 37 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
1970 (56 years ago — may be retired)
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Catalog scale
155 parts listed · 37 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.)
~293 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
37 parts · updating…
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Brick 1 x 13005 · ×4 · Black -
Brick 1 x 23004 · ×8 · Black -
Brick 1 x 43010 · ×8 · Red -
Brick 1 x 43010 · ×1 · Black -
Brick 1 x 63009 · ×2 · Black -
Brick 1 x 6 with Gold '722' Print3009pr0063 · ×2 · Black -
Brick 2 x 2 without Inside Ridges3003a · ×2 · Black -
Brick 2 x 3 without Cross Supports3002a · ×3 · Black -
Brick 2 x 4 without Cross Supports3001a · ×2 · Black -
Brick 2 x 4, 12V with Power Pickups for Train Motor and Solid Pins433c01 · ×2 · Black -
Brick Sloped 45° 2 x 1 Triple with Hollow Underside3048a · ×1 · Red -
Brick Special 2 x 4 with Wheel Holder Old, Clear Bottom, Red Inside7049bc01 · ×4 · White -
Electric Connector, 2 Way Male Rounded Wide Long, Hollow Pinsupn0128c01 · ×1 · Blue -
Magnet Coupling, Train - Short Cylinder (6 mm)upn0272b · ×2 · Red -
Magnet Coupling, Train - Short Cylinder (6 mm)upn0272b · ×2 · Blue -
Magnet Coupling, Train - Short for 722 locomotive power pickup brickupn0300 · ×1 · Red
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Magnet Coupling, Train - Short for 722 locomotive power pickup brickupn0300 · ×1 · Blue
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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 · Black -
Plate 2 x 23022 · ×1 · Red -
Plate 2 x 33021 · ×2 · Black -
Plate 2 x 43020 · ×3 · Black -
Plate 2 x 83034 · ×2 · Black -
Plate 2 x 83034 · ×16 · White -
Plate 4 x 123029 · ×2 · Light Gray -
Plate 4 x 83035 · ×4 · Black -
![Plate Special 2 x 4 with Train Coupler, Open for Magnet [Reinforced]](https://cdn.rebrickable.com/media/parts/ldraw/4/753.png)
Plate Special 2 x 4 with Train Coupler, Open for Magnet [Reinforced]753 · ×4 · Red -
Plate Special 5 x 6 with Hole711 · ×1 · Black -
![Train Track 12V Conducting Rail Curved [No Cable Connection Holes]](https://cdn.rebrickable.com/media/parts/ldraw/1/3241b.png)
Train Track 12V Conducting Rail Curved [No Cable Connection Holes]3241b · ×16 · Blue -
Train Wheel Spoked for Motorupn0383a · ×4 · Red -
Train Wheel Spoked for Wagonupn0383b · ×8 · Red -
Tyre for Train Wheel for Electric Train Motor 12V458 · ×4 · Black -
Vehicle Track, Train, Tapered Rail Curved Inside3230a · ×16 · Blue -
Vehicle Track, Train, Tapered Rail Curved Outside3229a · ×16 · Blue -
![Window 1 x 1 x 1 Classic with Long Sill [Complete]](https://cdn.rebrickable.com/media/parts/ldraw/4/3087bc01.png)
Window 1 x 1 x 1 Classic with Long Sill [Complete]3087bc01 · ×2 · Red -
![Window 1 x 1 x 2, Extended Lip, Hollow Stud [with Glass]](https://cdn.rebrickable.com/media/parts/ldraw/4/29bc01.png)
Window 1 x 1 x 2, Extended Lip, Hollow Stud [with Glass]29bc01 · ×2 · Red -
Wire with Train Track Contact Base, 97cm2913 · ×1 · Blue