
LEGO® Basic Building Set
Basic Building Set (550-1) was released in 1985 as a universal set with 577 pieces and two minifigures. It is an open supply of bricks with no single model, made for free building.
- Set number
- 550
- Year
- 1985
- Pieces
- 577
- Minifigures
- 2
- Theme
- Basic
- Different parts
- 131
Parts list 131
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Brick 1 × 2 × 16
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Brick 1 × 2 × 14
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Brick 1 × 2 × 14
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Brick 1 × 1 × 14
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Brick 1 × 2 × 12
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Brick 1 × 4 × 12
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Brick 1 × 2 × 10
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Brick 1 × 1 × 10
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Brick 1 × 1 × 10
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Brick 1 × 4 × 10
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Brick 1 × 4 × 10
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Brick 1 × 4 × 10
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Brick 1 × 3 × 10
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Brick 1 × 3 × 10
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Brick 1 × 3 × 10
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Window 1 × 2 × 3 Pane No longer produced · last seen 2002 × 10
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Window 1 × 2 × 3 Shutter No longer produced · last seen 2007 × 10
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Brick 2 × 4 × 8
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Brick 2 × 4 × 8
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Brick 2 × 4 × 8
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Brick 1 × 1 × 8
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Brick 1 × 6 × 8
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Brick 1 × 6 × 8
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Tyre 15 × 6 Offset Tread Small No longer produced · last seen 2013 × 8
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Brick 2 × 4 × 6
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Brick 2 × 3 × 6
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Brick 2 × 2 × 6
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Brick 2 × 2 × 6
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Brick 2 × 2 × 6
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Brick 1 × 1 × 6
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Brick 1 × 6 × 6
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Brick 1 × 6 × 6
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Brick Sloped 45° 2 × 2 × 6
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Brick Sloped 33° 3 × 4 × 6
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Brick Sloped 33° 3 × 2 × 6
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Tyre Offset Tread 24 × 8 No longer produced · last seen 2009 × 6
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Fence Lattice 1 × 4 × 1 No longer produced · last seen 2005 × 6
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Brick Sloped Inverted 45° 2 × 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] × 6![Brick Sloped Inverted 45° 2 × 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Red](/media/parts/3660/4/brick-sloped-inverted-45-2-x-2-ovoid-bottom-pin-bar-sized-stud-holes-red.jpg)
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Plant, Flower Stem No longer produced · last seen 2017 × 5
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Window 1 × 4 × 3 No longer produced · last seen 2007 × 5
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Brick 2 × 3 × 4
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Brick 2 × 3 × 4
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Brick 2 × 3 × 4
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Brick 2 × 3 × 4
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Brick 2 × 2 × 4
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Brick 2 × 2 × 4
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Brick 1 × 2 No longer produced · last seen 1994 × 4
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Brick 1 × 1 × 4
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Brick 1 × 4 × 4
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Plate 2 × 3 × 4
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Brick Sloped 45° 2 × 2 × 4
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Brick Sloped 45° 2 × 2 × 4
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Brick Sloped 45° 2 × 1 with Bottom Pin × 4
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Brick Sloped 45° 2 × 1 with Bottom Pin × 4
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Window 1 × 2 × 2 Classic, Short Lip, Hollow Studs [with Glass] No longer produced · last seen 2002 × 4![Window 1 × 2 × 2 Classic, Short Lip, Hollow Studs [with Glass] Red](/media/parts/3081c01/4/window-1-x-2-x-2-classic-short-lip-hollow-studs-with-glass-red.jpg)
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Brick Special 2 × 2 [Red Wheels for Single Tyre] No longer produced · last seen 1999 × 4![Brick Special 2 × 2 [Red Wheels for Single Tyre] Black](/media/parts/3137c01/0/brick-special-2-x-2-red-wheels-for-single-tyre-black.jpg)
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Brick Sloped 33° 2 × 4 Double No longer produced · last seen 2016 × 4
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Brick Special 1 × 1 × 2 with Shutter Holder No longer produced · last seen 2003 × 4
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Window 1 × 2 × 2 Shutter No longer produced · last seen 1996 × 4
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Brick 1 × 3 × 4
No part matches this colour selection.
Import on BrickLink: Wanted → Upload, upload the file (or paste its content), pick a Wanted List and add the parts.
Minifigures 2
Description
Build your own way
A basic set like this does not hand you a fixed plan. It gives you a good supply of bricks from which you develop something yourself. That appeals to children who like to experiment, but also to adults who simply want a few classic bricks for their own ideas. With 577 pieces the quantity is enough for houses, vehicles or small scenes, and you will not need an entire table to spread everything out. It also suits shared building sessions in which everyone contributes a piece of their own.
Classic colours, clear look
Red, yellow, blue and white are the main colours. They stand for the look of the eighties and make every model appear bold and unmistakable. They also help when sorting, because the four shades are easy to separate. When you later plan your own structures you can use the colours deliberately, for instance red for roofs, white for walls and yellow or blue for windows, doors and small details. The clear palette pays off when tidying up too, since the bricks are quick to sort back into place.
Two figures and 73 kinds of part
Two minifigures bring scale and a little play value to your builds. Of the 577 pieces, 73 are different, so there is enough variety to stop models from being plain boxes. Specialised elements help with windows, roofs and small details. For collectors the set is also a pleasant chance to see what the universal system looked like many years ago and how much could be built from so few kinds of part. Anyone looking for a model with a fixed goal will be disappointed, because the strength here is open-ended trying out.
A stock for later projects
The full parts list is on this page. You can compare it with your own stock and use the "What can I build?" tool to find which models the combination allows. Because the set is open-ended it fits almost any collection as a foundation, and it mixes well with parts from other sets whenever you want to build something new and rearrange the bricks again and again to suit your own ideas. In this way a simple supply grows, piece by piece, into a collection that helps with many future ideas.
FAQ
- How many pieces does Basic Building Set have?
- Set 550-1 has 577 pieces, 73 of them unique, and two minifigures.
- Is there a fixed model to build?
- It is a universal set for free building, with no one model at its centre.
- When was it released?
- It came out in 1985 in the Universal Building Set range.
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