LEGO 400
Universal Building Set

LEGO 400 Universal Building Set box image
Set number
400
Theme
Universal Building Set
Pieces
318 pcs
Year
1977
Used avg¥10,732as of 7/25
Used & parts
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“Universal Building Set” is LEGO® “Universal Building Set” theme set number 400. Released in 1977, it has 318 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 91 types

Color split (most first)
Red×146
Blue×99
Black×26
Yellow×21
Trans-Clear×9
Green×2
Light Gray×2
Milky White×1
Main parts (most used first)
3004 Brick 1 x 2
Red · ×21
3005 Brick 1 x 1
Red · ×18
3297 Slope 33° 3 x 4
Blue · ×16
3008 Brick 1 x 8
Red · ×12
3009 Brick 1 x 6
Red · ×12
3010 Brick 1 x 4
Red · ×10
3298 Slope 33° 3 x 2
Blue · ×8
3641 Tyre 15 x 6 Offset Tread Small
Black · ×8
3660 Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]
Red · ×8
3081c01 Window 1 x 2 x 2 Classic, Short Lip [with Glass]
Yellow · ×6
3024 Plate 1 x 1
Red · ×5
242c01 Wheel Spoked with Stud
Red · ×4
3003a Brick 2 x 2 without Inside Ridges
Red · ×4
3004 Brick 1 x 2
Blue · ×4
3005 Brick 1 x 1
Blue · ×4
3008 Brick 1 x 8
Blue · ×4
3009 Brick 1 x 6
Blue · ×4
3010 Brick 1 x 4
Blue · ×4
3034 Plate 2 x 8
Blue · ×4
3037 Slope 45° 2 x 4
Blue · ×4
3039 Slope 45° 2 x 2
Red · ×4
3062a Brick Round 1 x 1 Solid Stud
Yellow · ×4
3063b Brick Round Corner 2 x 2 Macaroni with Stud Notch
Red · ×4
3137c01 Brick Special 2 x 2 [Red Wheels for Single Tyre]
Black · ×4

More “Universal Building Set” theme sets

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