LEGO 721
Steam Locomotive

LEGO 721 Steam Locomotive box image
Set number
721
Theme
12V
Pieces
115 pcs
Year
1969
Used & parts
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“Steam Locomotive” is LEGO® “12V” theme set number 721. Released in 1969, it has 115 pieces. With Re:GO you can automatically work out what percentage of this set you can build from the LEGO parts you already own, along with the missing parts and an estimated cost. Use the links below to compare prices on Amazon, Rakuten, Yahoo! Shopping, Mercari and Yahoo! Auctions, and find the best deal on new, used, or individual parts.

Part breakdown 30 types

Color split (most first)
Black×74
Red×32
Light Gray×5
Trans-Clear×2
Metal×1
Yellow×1
Main parts (most used first)
3023 Plate 1 x 2
Red · ×12
3004 Brick 1 x 2
Black · ×9
3010 Brick 1 x 4
Black · ×8
3020 Plate 2 x 4
Black · ×8
3037 Slope 45° 2 x 4
Black · ×8
upn0383a Train Wheel Spoked for Motor
Red · ×8
3021 Plate 2 x 3
Red · ×6
3005 Brick 1 x 1
Black · ×6
3021 Plate 2 x 3
Black · ×5
3062a Brick Round 1 x 1 Solid Stud
Black · ×5
3022 Plate 2 x 2
Black · ×4
458 Tyre for Train Wheel for Electric Train Motor 12V
Light Gray · ×4
3009 Brick 1 x 6
Black · ×3
3020 Plate 2 x 4
Red · ×3
3023 Plate 1 x 2
Black · ×3
3001a Brick 2 x 4 without Cross Supports
Black · ×2
3008 Brick 1 x 8
Black · ×2
3008pr0013 Brick 1 x 8 with Gold '721' Print
Black · ×2
3040a Slope 45° 2 x 1 without Bottom Pin
Black · ×2
3087bc01 Window 1 x 1 x 1 Classic with Long Sill [Complete]
Red · ×2
433c01 Brick 2 x 4, 12V with Power Pickups for Train Motor and Solid Pins
Black · ×2
upn0184 Train Brick 2 x 4 x 1 1/3 Sliding Wheel Block - Type A
Black · ×2
3005 Brick 1 x 1
Trans-Clear · ×2
299 Screwdriver with Old LEGO Logo [Metal]
Metal · ×1

More “12V” theme sets

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