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Set 733 Universal Building Set
Universal Building Set

LEGO® Universal Building Set

Universal Building Set 733 dates from 1980 and contains 504 pieces. There are no minifigures, as the whole point is free-form building.

Set number
733
Year
1980
Pieces
504
Minifigures
0
Theme
Universal Building Set
Different parts
140
What can I build with it?

Parts list 140

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 (4)

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

Description

A box without a fixed model

Sets like this were the foundation of the early eighties range. Rather than one specific vehicle or house, they offered a broad mix of bricks and left the decisions to the builder. Instructions give suggestions, but nobody has to follow them. The parts list on this page shows which shapes and colours make up the 504 pieces, which is the quickest way to judge how much freedom the set actually gives you.

Variety in the part types

There are 106 different part types among the 504 pieces, which is a lot of variety for the size. Train sets of similar scale often get by with around 80, because they reuse the same bricks for wagon bodies. Here the emphasis falls on range, with plates, bricks and special shapes that suit houses, vehicles or models of your own invention. If you like to start building without a plan, more types mean more choices from every handful of bricks.

Blue, red, light grey and black

The main colours are blue, red, light grey and black, a bold and classic combination that sits well beside other bricks from the period. Light grey and black work for roofs, roads and chassis, while blue and red suit walls and accents. The palette is modest, but it is enough to produce models that look consistent rather than randomly assembled, which is something many mixed boxes struggle to manage. That consistency is a big part of why simple colour schemes still look good decades later.

A starter pool today

For collectors the set is a time capsule; for builders it is a pool of dependable standard parts. Add it to your collection and the “What can I build?” tool will list the other sets your bricks can make. The parts list also helps when you check a second-hand box, because combination sets often lose a few unusual shapes that nobody notices are missing at first glance. A quick comparison before you buy saves a lot of searching later.

FAQ

Does this set include minifigures?
No. Set 733 has 504 pieces and no minifigures.
What is a Universal Building Set?
A set with no single fixed model. It supplies a wide mix of bricks plus building suggestions, and you build whatever you like.
How can I check whether my copy is complete?
Compare your bricks with the parts list on this page, which shows all 106 part types with colour and quantity.

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