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Set 540 Basic Building Set
Universal Building Set Basic

LEGO® Basic Building Set

The Basic Building Set 540-1 was released in 1985 as part of the Universal Building Set range. It contains 421 pieces and 2 minifigures, and the bricks can become all sorts of different models.

Set number
540
Year
1985
Pieces
421
Minifigures
2
Theme
Basic
Different parts
97
What can I build with it?

Parts list 97

As BrickLink list (XML)

Import on BrickLink: Wanted → Upload, upload the file (or paste its content), pick a Wanted List and add the parts.

Spare parts (1)

These extra parts come with the set in case one gets lost.

Minifigures 2

Description

A box of possibilities

In a basic set the question is less about one particular model and more about what you decide to make. With 421 pieces there is enough material for a small house, a vehicle or a whole street scene, and the two minifigures give your creations residents and a clear sense of scale. That makes the set a good match for anyone who would rather design their own builds than follow printed steps one by one.

Primary colours

The four main colours are red, yellow, white and blue, the classic primary shades most people associate with early brick sets. They combine freely: a red roof on white walls, yellow window frames, blue touches for doors or vehicles. Because the set holds only 53 different parts, many bricks repeat often, which keeps sorting simple and allows larger areas of a single colour whenever your plans call for them. That also makes it easy to place a contrasting colour exactly where you want it.

Fewer types, more of each

Having just 53 part types across 421 pieces has a practical effect: you get plenty of each brick rather than a single example of many. That makes walls, towers and other large shapes easier to build, particularly when you need matching elements. For special shapes such as roof slopes or windows you will need to be a little more inventive and work out how best to use what is in the box instead.

Check the stock, plan the next build

The parts list on this page shows every element with its colour and quantity, which is handy for checking that nothing is missing. “What can I build?” then tells you which other sets your bricks could make, even if you have mixed several sets together. With a basic set it pays to review your stock now and then, since these bricks turn up in almost any project you might think of. Over time the stock becomes the foundation for ever bigger ideas.

FAQ

How many minifigures are included?
The set includes 2 minifigures, which bring your own builds to life.
Is there only one fixed model?
No, it is a basic set. The bricks are meant for free building, and the parts list shows what you have.
How many different parts does it have?
It has 421 pieces in 53 different parts, mostly in red, yellow, white and blue.

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