Legoland Vehicle

LEGO® Mobile Site Office

The Mobile Site Office 646-2 dates from 1971 and uses only 51 pieces. It is an early vehicle from the Legoland era, designed to bring a building site to the living-room floor.

Set number
646-2
Year
1971
Pieces
51
Minifigures
0
Theme
Vehicle
Different parts
24
What can I build with it?

Parts list 24

As BrickLink list (XML)

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

Description

An office that moves with the job

A real building site needs somewhere to keep plans, answer the phone and take a break. This set turns that idea into a model on wheels: a small cabin that rolls to wherever the work is. At 51 pieces it is compact and easy to handle. Because the design is so simple, it leaves plenty of room for your own stories. Park it beside a crane, a lorry and a road, and the site can grow one model at a time.

Colour and repetition

The palette is typical for 1971: strong primaries backed up by black. Of the 51 pieces only 18 are different, so the set leans heavily on repeated standard bricks. That makes a rebuild pleasantly straightforward, since few part types mean a clear order of work. Comparing it with other sets from the same year, you notice how similar their choices of parts were, and that shared vocabulary is exactly why the bricks combine so well.

Display or play

The site office works either way. On a shelf it recalls the beginnings of the vehicle ranges, and as a toy it copes with rough handling because there are hardly any fragile pieces. Collectors of 1971 sets can line it up next to the lorries and construction vehicles of that period. For parents who want to show children something from their own past, it is a manageable first step, and nobody has to hunt for tiny elements halfway through.

New models from old pieces

If you have already taken the set apart, or simply inherited a pile of loose bricks, the parts list on this page helps you sort them out. It shows what belongs to the office. Afterwards, the “What can I build?” tool tells you which other models your bricks can make. The yellow and blue elements in particular suit vehicles, small huts or site equipment, and you will not need to buy anything more.

FAQ

How many pieces does the Mobile Site Office have?
It has 51 pieces, 18 of them different. No minifigures are included.
Which colours are used most?
Mainly black, red, blue and yellow, the classic primary colours of the early years.
Where can I see the parts list?
Right here on this page, where you can also check which other models your bricks could build.

Reviews

No reviews yet. Build the set and tell others how you liked it.

Only signed-in users can write reviews, one per set. We check every review against our rules before it is published; we do not check whether the set was bought or built.

Similar sets