How many pieces are in the Pneumatics Add-on Set for Machines & Mechanisms?

Pneumatics Add-on Set for Machines & Mechanisms contains 31 pieces.

🏛 Supplemental

Set #9641

Pneumatics Add-on Set for Machines & Mechanisms

The Pneumatics Add-on Set for Machines & Mechanisms is a valuable supplemental pack for STEM education.

Before you buy

Who it's for: Beginner build Ideal for students and educators looking to add pneumatic functions to their LEGO models.
Build: 31 pieces · about 1 hours Build time is an estimate.
Price: $54.99 list price · $1.77 per piece
Availability: Likely retired

★★★★☆ 4.1 community rating from 8 ratings

Users appreciate this set for its functional pneumatic components, essential for adding realistic movement to LEGO Technic models. However, it's criticized for being an add-on set requiring other LEGO sets to be fully utilized, and for its relatively high price given the small piece count.

$54.99

Best Price

$49.49

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📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

The Pneumatics Add-on Set for Machines & Mechanisms is a valuable supplemental pack for STEM education. This set provides the essential pneumatic components to bring LEGO Technic models to life, adding a functional and engaging dimension to building.

This set is perfect for educators, hobbyists, and serious LEGO builders looking to incorporate pneumatics into their creations. It's a great way to learn about basic engineering principles and add realistic movement to LEGO models, enhancing interactivity.

Skip this if you're expecting a standalone building experience or are only interested in display models. This set requires other LEGO sets to be fully utilized; consider LEGO Technic sets like 42158-1 NASA Mars Rover Perseverance if you want a complete model.

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What types of LEGO models can benefit most from pneumatic functions? How does this set compare to other pneumatic components available in LEGO Technic sets? What are some basic engineering principles that can be demonstrated using this set? Is this set a good value for its current price, considering its utility?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI

🧩

Pieces

⏱

Estimated Build Time

📊

Beginner

Difficulty

Build Highlights:

Simple integration with existing LEGO Technic models
Introduction to basic pneumatic systems
Experimentation with air pressure and movement
Enhances understanding of engineering principles

📈 Investment Analysis

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↑ Trending up since release

B+

Investment Grade

⏳ Retired

The Pneumatics Add-on Set, while small, has seen significant price appreciation due to its utility in educational settings and Technic builds. As a retired supplemental set, its availability is limited, driving up demand. However, its value is tied to its functionality within larger LEGO systems, making it less appealing to casual collectors. The rising price trend suggests continued appreciation, but potential investors should be aware of the niche market.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

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This set is unique as a dedicated pneumatic add-on, unlike complete Technic sets that include pneumatic elements as part of a larger model. While sets like 42158-1 NASA Mars Rover Perseverance offer a self-contained building experience, this set allows for more flexible integration into existing creations. Its value lies in its specialized components for builders focused on functional models.

📦 Parts Inventory

Official piece count: 31
Parts cataloged in this inventory: 12 unique parts, 31 pieces

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

Pneumatic Pump Ne...

Part #: 2797c02 1× Trans-Light Blue

Pneumatic T-Piece...

Part #: 4697b 5× Light Bluish Gray

Pneumatic Switch ...

Part #: 47223a 3× Dark Bluish Gray

Pneumatic Cylinde...

Part #: 47225 2× Trans-Light Blue

Hose, Pneumatic 4...

Part #: 5102c06 4× Blue

Hose, Pneumatic 4...

Part #: 5102c12 2× Light Bluish Gray

Hose, Pneumatic 4...

Part #: 5102c12 3× Blue

Hose, Pneumatic 4...

Part #: 5102c12 2× Black

Hose, Pneumatic 4...

Part #: 5102c24 1× Blue

Hose, Pneumatic 4...

Part #: 5102c24 1× Light Bluish Gray

Hose, Pneumatic 4...

Part #: 5102c24 1× Black

Hose, Pneumatic 4...

Part #: 5102c40 1× Black

Hose, Pneumatic 4...

Part #: 5102c40 1× Light Bluish Gray

Pneumatic Pressur...

Part #: 64065 1× Trans-Clear

Pneumatic Cylinde...

Part #: 74981 1× Trans-Light Blue

Pneumatic Airtank

Part #: 75974 1× White

Pneumatic Pump Sm...

Part #: upn0468 1× Trans-Light Blue

This set is a valuable source of pneumatic components, particularly the cylinders, switches, and T-pieces. The inclusion of various hose lengths makes it versatile for different projects. These parts are useful for MOC builders looking to add pneumatic functionality.