Back to Brick 2 x 4 without Cross Supports
Steam Locomotive (721-1) is a 12V LEGO set released in 1969 with 115 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 30 unique part types.
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Parts in this set
30 parts · updating…
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Brick 1 x 13005 · ×2 · Trans-Clear -
Brick 1 x 13005 · ×6 · Black -
Brick 1 x 23004 · ×9 · Black -
Brick 1 x 43010 · ×8 · Black -
Brick 1 x 63009 · ×3 · Black -
Brick 1 x 83008 · ×2 · Black -
Brick 1 x 8 with Gold '721' Print3008pr0013 · ×2 · Black -
Brick 2 x 2 without Inside Ridges3003a · ×1 · 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 Round 1 x 1 Solid Stud3062a · ×5 · Black -
Motor, Train, 12V 12 x 4 x 3 1/3 Type I with Two Side Holesupn0274c02 · ×1 · Black -
Plate 1 x 23023 · ×12 · Red -
Plate 1 x 23023 · ×3 · Black -
Plate 2 x 23022 · ×1 · Yellow -
Plate 2 x 23022 · ×4 · Black -
Plate 2 x 23022 · ×1 · Red -
Plate 2 x 33021 · ×6 · Red -
Plate 2 x 33021 · ×5 · Black -
Plate 2 x 43020 · ×8 · Black -
Plate 2 x 43020 · ×3 · Red -
![Screwdriver with Old LEGO Logo [Metal]](https://cdn.rebrickable.com/media/parts/photos/9999/299-9999-5a939dd6-aa95-4d3d-8cf1-04064d613564.jpg)
Screwdriver with Old LEGO Logo [Metal]299 · ×1 · Metal -
Slope 45° 2 x 1 without Bottom Pin3040a · ×2 · Black -
Slope 45° 2 x 23039 · ×1 · Black -
Slope 45° 2 x 43037 · ×8 · Black -
Train Brick 2 x 4 x 1 1/3 Sliding Wheel Block - Type Aupn0184 · ×2 · Black -
Train Wheel Spoked for Motorupn0383a · ×8 · Red -
Tyre for Train Wheel for Electric Train Motor 12V458 · ×4 · Light Gray -
Vehicle Base, Train 6 x 22 Type 1 Motor Opening303 · ×1 · Light Gray -
![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