Universal Building Set Basic

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
What can I build with it?

Parts list 131

As BrickLink list (XML)

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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