How many pieces are in the Small Locomotive?

Small Locomotive contains 66 pieces.

What age is the Small Locomotive recommended for?

This set is recommended for ages 18+.

When was the Small Locomotive released?

Small Locomotive was released in 2001.

Breaking News

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🏛 9V

Set #3740

Small Locomotive

Name: Small Locomotive
Brand: LEGO
SKU: 3740-1

Small Locomotive is a charming glimpse into LEGO's 9V train era.

🏆 Best For: Ideal for young children and LEGO train enthusiasts looking for a quick and simple build ⏱ 1 hr build 🧩 66 pcs

★★★☆☆ 3.8

Fans appreciate the set's nostalgic appeal and simple design, making it a good entry point for LEGO train collectors. However, some find the set overpriced for its piece count and lack of play features.

MSRP

$14.99

Best Price

$70.06

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Check price on Amazon

📝 Our Take

Small Locomotive is a charming glimpse into LEGO's 9V train era. Released in 2001, this set offers a compact and accessible introduction to the world of LEGO trains, featuring a classic locomotive design that's instantly recognizable and appealing.

This set is perfect for LEGO train enthusiasts and collectors looking for a nostalgic piece. Its small size makes it easy to display, and the simple build is suitable for builders of all ages, especially those new to LEGO trains.

Skip this if you're seeking complex building techniques or extensive play features. This set is primarily a display piece; consider larger train sets like the Emerald Night (10194-1) for a more immersive experience.

✨ New

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How does this set compare to other LEGO train sets in terms of size and detail? What are the best ways to display this locomotive in a LEGO train layout? Is this set a good entry point for someone interested in collecting LEGO trains? What is the historical significance of the 9V train system?

🧱 Building Experience

🧩

Pieces

⏱

Build Time

📊

Beginner

Difficulty

Build Highlights:

Simple and straightforward construction
Introduction to LEGO train components
Classic locomotive design
Compact size for easy display

📈 Investment Analysis

↑ Trending up since release

Investment Grade

⏳ Appreciating

The Small Locomotive set, being a retired 9V train set, holds decent investment potential. Its relatively low piece count and original MSRP make it an affordable entry point for collectors. The rising price trend indicates increasing demand, driven by nostalgia and the popularity of LEGO trains. While not a high-value set, its collectibility and limited availability suggest steady appreciation over time. However, condition is critical - a complete set in excellent condition will command a premium.

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

⚖ Compare Similar Sets

The Small Locomotive offers a simple and affordable entry into the LEGO train world, especially compared to larger, more expensive sets like the Emerald Night (10194-1) or the Horizon Express (10233-1). While it lacks the complexity and features of those sets, its compact size and ease of construction make it an appealing option for younger builders or collectors with limited space. It's a good alternative to motorized train sets if you prefer a static display piece.

📦 Full Parts Inventory - 28 unique parts • 66 total pieces

Window 1 x 2 x 2 ...

Part #: 2377 2× Black

Tile Special 1 x ...

Part #: 2412b 5× Black

Bracket 1 x 2 - 1...

Part #: 2436 2× Light Gray

Slope Inverted 75...

Part #: 2449 2× Black

Brick 2 x 6

Part #: 2456 5× Black

Plate Special 1 x...

Part #: 2540 2× Black

Wheel Holder, Tra...

Part #: 2878c01 2× Black

Train Coupling New

Part #: 2920 2× Black

Brick 2 x 4

Part #: 3001 1× Black

Brick 1 x 6

Part #: 3009 2× Black

Plate 2 x 2

Part #: 3022 4× Light Gray

Plate 1 x 2

Part #: 3023 2× Light Gray

Plate 1 x 2

Part #: 3023 1× Black

Plate 4 x 8

Part #: 3035 1× Black

Brick Round 2 x 2...

Part #: 30367b 1× Black

Plate Special 6 x...

Part #: 3058b 1× Black

Brick Arch 1 x 6

Part #: 3455 2× Black

Slope 65° 2 x 2 x...

Part #: 3678a 4× Black

Plate 1 x 4

Part #: 3710 3× Light Gray

Plate Special 1 x...

Part #: 3794a 1× Black

Plate 2 x 6

Part #: 3795 1× Black

Plate Special 1 x...

Part #: 3839b 4× Black

Train Buffer Beam

Part #: 4022 2× Black

Brick Special 1 x...

Part #: 4070 3× Black

Bar 6.6L with Sto...

Part #: 4095 2× Black

Cone 1 x 1 [No To...

Part #: 4589 1× Yellow

Plate Special 1 x...

Part #: 6019 4× Black

Tile 1 x 6 with G...

Part #: 6636 2× Black

Magnet Cylindrical

Part #: 73092 2× Black

The set features a good selection of black bricks and plates, useful for MOC builders. The inclusion of train-specific elements like wheel holders and couplings adds to its value for train enthusiasts.

🛒 Where to Buy

Bricklink

✓ In Stock

$63.52

💎 Notable Parts

Black Tile Special 1 x 2 Grille with Bottom Groove (5x) $0.75

Black Brick Special 1 x 1 with Headlight (3x) $0.90

Black Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment] (4x) $0.60

Black Slope 65° 2 x 2 x 2 Smooth without Bottom Tube (4x) $0.40

Black Train Coupling New (2x) $1.00

Est. BrickLink Part Value

$3.65

💡 MOC Potential

🚗 Modify into a different type of train car (e.g., passenger or freight)

🏙 Integrate into a larger LEGO city layout with custom train station

🚗 Create a larger, more detailed locomotive using the same basic design

Community Insights

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Inventory Statistics

Unique Parts

Total Pieces

Minifigures

Inventory Version: 1

All aboard!
Build your own Small Locomotive

Spider-Man and His Amazing Friends VS Mysterio - Midnight

What if Lloyd and Harumi had been childhood friends before Harumi’s parents died and before Lloyd became the Green Ninja specifically before Lloyd first met Nya and the original four ninja ?

LEGO March 2026 Sets Now Available on LEGO Shop

Small Locomotive