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LEGO Educational and Dacta 9641 Pneumatics Add-on Set for Machines & Mechanisms

200831 piecesno minifigures

LEGO 9641 Pneumatics Add-on Set for Machines & Mechanisms

Specifications

Set number9641
Release year2008
Piece count31
Minifigures0
ThemeEducational and Dacta
SubthemeSupplemental
Building instructionsDownload the instructions on lego.com

Where to buy set 9641

Also on: Amazon.co.uk · Amazon.ca

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LEGO set 9641 Pneumatics Add-on Set for Machines & Mechanisms, released in 2008 as part of the Educational and Dacta line, has 31 pieces. Its inventory breaks down into 17 different lots, across 7 colors.

Inventory of set 9641

The inventory of set 9641 lists 31 pieces, spare parts excluded: 17 different lots (one shape in one color) for 12 part shapes. The box also contains 6 spare parts, for small elements that are easy to lose.

Colors of set 9641

Main color: light bluish gray, making up 29% of the parts, followed by blue (26%) and trans-light blue (16%).

ColorPartsShare
Light Bluish Gray929%
Blue826%
Trans-Light Blue516%
Black413%
Dark Bluish Gray39.7%
Trans-Clear13.2%
White13.2%

Part types

TypePartsShare
Tubes and Hoses1652%
Pneumatics1548%

Most common parts in set 9641

PartColorQuantity
Pneumatic T-Piece (T Bar) [New Style] 4697bLight Bluish Gray5
Hose, Pneumatic 4mm D. 6L / 4.8cm 5102c06Blue4
Pneumatic Switch with Pin Holes 47223aDark Bluish Gray3
Hose, Pneumatic 4mm D. 12L / 9.6cm 5102c12Blue3
Pneumatic Cylinder with 2 Inlets and Rounded End Medium (48mm) 47225Trans-Light Blue2
Hose, Pneumatic 4mm D. 12L / 9.6cm 5102c12Light Bluish Gray2
Hose, Pneumatic 4mm D. 12L / 9.6cm 5102c12Black2

2 of the 12 part shapes in this set have their own page on Setopedia, with their colors, element numbers and the other sets that use them. See all LEGO parts

Exclusive parts in set 9641

2 part shapes in set 9641 appear in no other set in the catalog, most often printed elements, stickers or molds specific to the model. If one gets lost, you will need to look for it individually, for example on BrickLink, rather than in another set.

PartColor
Pneumatic Pump Small (5.5L) V2 upn0468Trans-Light Blue
Pneumatic Pressure Gauge - Manometer (9641) 64065Trans-Clear

No similarly sized set supplies more than a quarter of its parts: set 9641 relies on a little-shared assortment.

Size of set 9641 within its line

With 31 pieces, set 9641 ranks #463 out of 480 Educational and Dacta sets in our database, which have an average of 281 parts. Among the 224 sets released in 2008, it ranks #221. That is less than half the average Educational and Dacta set size.

Frequently asked questions

How many pieces does LEGO set 9641 Pneumatics Add-on Set for Machines & Mechanisms have?

LEGO set 9641 Pneumatics Add-on Set for Machines & Mechanisms has 31 pieces. It was released in 2008 as part of the Educational and Dacta theme.

What year was LEGO set 9641 released?

Set 9641 Pneumatics Add-on Set for Machines & Mechanisms was released in 2008 and belongs to the Educational and Dacta theme.

Which minifigures are included in set 9641?

LEGO set 9641 Pneumatics Add-on Set for Machines & Mechanisms does not include any minifigures.

Where can I find the building instructions for set 9641?

The instructions for LEGO set 9641 Pneumatics Add-on Set for Machines & Mechanisms can be downloaded free as a PDF from the official lego.com website, under “Building Instructions”, by entering the number 9641.

What is the main color of LEGO set 9641?

Light bluish gray, with 9 out of 31 pieces, or 29%. Next come blue (26%) and trans-light blue (16%).

How many different parts does set 9641 contain?

Set 9641 has 17 different lots (one shape in one color), covering 12 part shapes. Most common part: Pneumatic T-Piece (T Bar) [New Style] in light bluish gray, with 5 copies.

Does LEGO set 9641 contain any exclusive parts?

Yes: 2 part shapes exist in no other set, for example: Pneumatic Pump Small (5.5L) V2.

Set number9641
Release year2008
ThemeEducational and Dacta
Piece count31
Minifigures0
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-30