LEGO® Building Set

Description

A plain box without a fixed model

This set belongs to the Universal Building Set theme, which covered boxes of bricks with no single model to follow. It dates from 1973 and holds 150 pieces, so it is a small collection by today's standards. There are no minifigures, which only arrived years later. What you get is raw material, and the idea was simple: build whatever you can think of, whether that is a house, a vehicle or a shape with no name.

A limited palette that works

Red and white lead the colour mix, with black and blue as accents. That restrained palette is typical of the first brick sets and gives older builds their clean, graphic look. Working with only four colours teaches you to plan: blue or black can pick out windows and doors, white can form a roof or a base, and red walls hold everything together. It is a good exercise in proportion and in making a few simple shapes do a lot of work.

Nineteen kinds of part

The parts list on this page shows 19 different part types among the 150 pieces. That is a modest number, but it makes the point that a handful of basic shapes goes a long way. Many bricks appear several times, which makes sturdy walls easy to build. If you are buying second-hand or checking your own box against the original, the list lets you tick off each element and spot anything that is missing or in the wrong colour.

Using it today

The “What can I build?” tool on this page checks which other models are possible with these parts, especially if you combine them with bricks from other sets. As a collectable it is a small piece of toy history, and as a stock of bricks it is humble but flexible. It suits newcomers and nostalgic builders who want to see what a 1973 set offered, long before themed worlds and characters shaped what children found in the toy box.

FAQ

How many pieces are in set 105-2?

It has 150 pieces across 19 different part types. No minifigures are included.

Which colours does it come in?

Mainly red, white, black and blue. The full breakdown is in the parts list.

Is it still worth building?

Yes, as a base for free building and as a look at the early days. Use “What can I build?” to see what else your parts allow.