How many pieces are in the Locomotive Gray Bricks?

Locomotive Gray Bricks contains 106 pieces.

When was the Locomotive Gray Bricks released?

Locomotive Gray Bricks was released in 2001.

🏛 9V

Set #3747

Locomotive Gray Bricks

Locomotive Gray Bricks is a charming little set from the 9V train era.

Before you buy

Who it's for: Beginner build Ideal for children and train enthusiasts looking for a simple, enjoyable build.
Build: 106 pieces · about 1 hours Build time is an estimate.
Price: $6.99 list price · 6.6¢ per piece
Availability: Likely retired

★★★☆☆ 3.8 AI-generated review score, not a customer rating

A simple and classic LEGO train set that's appreciated for its nostalgic charm and affordability. Some find the design basic, but it's considered a good entry point for younger builders or those looking to expand their LEGO train collection.

$6.99

Best Price

$6.29

You Save

10% OFF

📝 Our Take

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

Locomotive Gray Bricks is a charming little set from the 9V train era. It's a great way to add some rolling stock to your LEGO train layout without breaking the bank, and the simple design is classic LEGO.

This set is perfect for LEGO train enthusiasts and those looking for a small, affordable building project. It's a quick build that can be easily customized and expanded upon.

Skip this if you're looking for a highly detailed or complex model. Consider larger LEGO train sets or MOC designs for more advanced building experiences.

✨ New

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How does this set compare to other 9V train sets in terms of value and collectibility? What are some easy modifications to improve the detail or functionality of this locomotive? Is this a good set for introducing children to LEGO trains? What is the best way to display this set as part of a larger LEGO train layout?

🧱 Building Experience

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

🧩

106

Pieces

⏱

1.0h

Estimated Build Time

📊

Beginner

Difficulty

Build Highlights:

Simple and straightforward construction
Good introduction to LEGO train building
Easy to customize and expand
Classic LEGO design

📈 Investment Analysis

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

↑ Trending up since release

B-

Investment Grade

⏳ Retired

As a retired set from the early 2000s, Locomotive Gray Bricks has some investment potential, especially for LEGO train collectors. Its low piece count and original MSRP keep it relatively affordable on the secondary market, but the rising price trend suggests increasing demand. The set's condition and whether it includes the original box will significantly impact its value. While not a high-value investment, it's a solid choice for those interested in preserving LEGO train history.

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

⚖ Compare Similar Sets

This set is a small, affordable entry point into the world of LEGO trains. Compared to larger, more modern train sets, it lacks detail and complexity, but it offers a classic LEGO building experience. Consider sets like 60197-1 Passenger Train or 60198-1 Cargo Train for more advanced features and playability, or 40597-1 Majestic Chessboard for a completely different building experience at a similar price point.

📦 Parts Inventory

Piece count: 106
Parts cataloged in this inventory: 30 unique parts, 106 pieces

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

Panel 1 x 2 x 3 [...

Part #: 2362b 2× Black

Tile Special 1 x ...

Part #: 2412b 1× Black

Tile Special 1 x ...

Part #: 2432 2× Dark Gray

Brick 2 x 6

Part #: 2456 1× Dark Gray

Plate Special 1 x...

Part #: 2540 2× Black

Brick Special 1 x...

Part #: 2921 12× Dark Gray

Brick 1 x 2

Part #: 3004 21× Dark Gray

Brick 1 x 2

Part #: 3004 4× Black

Brick 1 x 6

Part #: 3009 1× Dark Gray

Plate 2 x 4

Part #: 3020 1× Dark Gray

Plate 1 x 2

Part #: 3023 2× Dark Gray

Brick Sloped 45° ...

Part #: 3037 6× Dark Gray

Brick Sloped 45° ...

Part #: 3040b 6× Dark Gray

Brick Round 1 x 1...

Part #: 3062b 2× Dark Gray

Tile 2 x 2 with G...

Part #: 3068b 1× Black

Technic Brick 1 x...

Part #: 32064c 1× White

Brick Sloped 33° ...

Part #: 3297 4× Black

Plate 1 x 3

Part #: 3623 2× Dark Gray

Brick Sloped Inve...

Part #: 3660 4× Dark Gray

Plate Special 1 x...

Part #: 3794a 1× Black

Brick Round 2 x 2...

Part #: 3941 1× Black

Dish 4 x 4 Invert...

Part #: 3960 1× Black

Plate Round 2 x 2...

Part #: 4032a 1× Black

Plate Special 1 x...

Part #: 4175 2× Black

Panel 1 x 4 x 3 [...

Part #: 4215b 2× Black

Equipment Weapon,...

Part #: 4349 1× Black

Plate Special 1 x...

Part #: 4510 2× Black

Plate Special 1 x...

Part #: 6019 2× Black

Brick 1 x 10

Part #: 6111 2× Dark Gray

Plate Round 1 x 1...

Part #: 6141 8× Dark Gray

Plate Round 1 x 1...

Part #: 6141 4× Trans-Neon Green

Plate Round 1 x 1...

Part #: 6141 3× Trans-Red

Technic Axle 3 wi...

Part #: 6587 1× Dark Gray

This set features a high concentration of Dark Gray bricks and slopes, useful for MOC builders creating industrial or vehicle-themed models. The inclusion of Trans-Neon Green and Trans-Red round plates adds a touch of color and could be useful for detailing.