Celebrate Four Decades of Fun!
All aboard the 40 Years of LEGO Trains!

Relive the legacy with this charming 188-piece set, a perfect gift for LEGO train enthusiasts and collectors alike.

🏛 Promotional
Set #40370

40 Years of LEGO Trains

40 Years of LEGO Trains is a delightful tribute to LEGO's rich history of locomotives.

Before you buy

Who it's for
Ages 9+ · Beginner build Perfect for LEGO train fans, collectors, and families looking for a nostalgic and enjoyable build.
Build
188 pieces · about 2 hours Build time is an estimate.
Price
$19.99 list price · 10.6¢ per piece
Availability
Retired at LEGO
★★★★☆ 4.0 community rating from 282 ratings

A well-received promotional set celebrating LEGO trains, fans appreciate the nostalgic design and easy build. Some feel the set is small for the price, but overall it's considered a charming display piece.

📝 Our Take

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

40 Years of LEGO Trains is a delightful tribute to LEGO's rich history of locomotives. This charming set recreates iconic train designs from different eras, offering a nostalgic journey for long-time LEGO fans and a fun introduction for newer builders.

This set is perfect for train enthusiasts and LEGO collectors of all ages. The build is relatively quick and straightforward, making it an enjoyable experience for families or anyone looking for a small, satisfying project. Its compact size makes it ideal for display on a desk or shelf.

Skip this if you are looking for a large, complex train model with full motorization. Consider the LEGO City Passenger Train 60197 or the LEGO Crocodile Locomotive 10277 for more advanced train-building experiences.

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How does this set compare to other LEGO train sets in terms of building experience and display value? What are some creative ways to expand or modify this set to create a larger train layout? Is this set a good investment for LEGO collectors, and what factors contribute to its potential value? How can I incorporate this set into a larger LEGO city or diorama?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI
🧩
188
Pieces
⏱
2h
Estimated Build Time
📊
Beginner
Difficulty
👤
9+
Ages
Build Highlights:
  • Recreates classic LEGO train designs from different eras.
  • Simple and straightforward building techniques.
  • Compact size ideal for display.
  • Includes a classic-style train driver minifigure.

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI
→ Price stable
B
Investment Grade
⏳ Retired
This promotional set, celebrating 40 years of LEGO Trains, holds reasonable investment potential due to its limited availability and nostalgic appeal. The set's relatively low piece count and original retail price suggest moderate appreciation over time, particularly among LEGO train collectors. While not a guaranteed home run, its status as a retired promotional item should help it maintain and potentially increase in value. Monitor the market and consider holding onto it for the long term to maximize returns.

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

⚖ Compare Similar Sets

Compared to larger, motorized LEGO train sets like the LEGO City Passenger Train 60197 or the LEGO Crocodile Locomotive 10277, this set offers a smaller, more affordable, and nostalgic building experience. It's a great option for collectors or those who want a simple and charming train display without the complexity and cost of larger sets. It is more display-oriented than play-oriented.

1 Minifigure Included

The set includes a classic-style train driver minifigure with a blue torso, blue legs, and a red hat, adding to the set's nostalgic charm.

📦 Parts Inventory

Official piece count
188
Parts cataloged in this inventory
64 unique parts, 184 pieces
Minifigures
1

The official piece count includes the 4 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

Tile Special Round 2 x 2 with Hole Tile Special Roun...
Part #: 15535 4× Red
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Plate Special 1 x...
Part #: 15573 3× Black
Technic Pin Connector Round 1L [Beam] Technic Pin Conne...
Part #: 18654 6× Black
Tile Special 1 x 2 Grille with Bottom Groove Tile Special 1 x ...
Part #: 2412b 3× Flat Silver
Brick 2 x 6 Brick 2 x 6
Part #: 2456 2× Black
Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Plate Round 2 x 2...
Part #: 2654 4× Red
Tile 2 x 3 Tile 2 x 3
Part #: 26603 4× Light Bluish Gray
Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Pin with ...
Part #: 2780 4× Black
Brick 2 x 4 Brick 2 x 4
Part #: 3001 1× Black
Brick 1 x 2 Brick 1 x 2
Part #: 3004 5× Black
Brick 1 x 1 Brick 1 x 1
Part #: 3005 6× Black
Brick 2 x 10 Brick 2 x 10
Part #: 3006 2× Red
Brick 1 x 6 Brick 1 x 6
Part #: 3009 2× Black
Brick 1 x 4 Brick 1 x 4
Part #: 3010 4× Black
Brick 1 x 4 Brick 1 x 4
Part #: 3010 2× Red
Plate 2 x 4 Plate 2 x 4
Part #: 3020 3× Red
Plate 2 x 3 Plate 2 x 3
Part #: 3021 2× Black
Plate 2 x 2 Plate 2 x 2
Part #: 3022 5× Red
Plate 1 x 2 Plate 1 x 2
Part #: 3023 4× Trans-Clear
Plate 1 x 2 Plate 1 x 2
Part #: 3023 2× Yellow
Plate 1 x 2 Plate 1 x 2
Part #: 3023 4× Black
Plate 4 x 10 Plate 4 x 10
Part #: 3030 2× Light Bluish Gray
Plate 6 x 10 Plate 6 x 10
Part #: 3033 2× Light Bluish Gray
Plate 2 x 8 Plate 2 x 8
Part #: 3034 1× Black
Plate 6 x 8 Plate 6 x 8
Part #: 3036 1× Black
Brick Sloped 45° 2 x 4 Brick Sloped 45° ...
Part #: 3037 4× Black
Brick Sloped 45° 2 x 3 Brick Sloped 45° ...
Part #: 3038 2× Black
Brick Sloped 45° 2 x 2 Brick Sloped 45° ...
Part #: 3039 1× Red
Brick Sloped 45° 2 x 2 Brick Sloped 45° ...
Part #: 3039 2× Black
Brick Sloped 45° 2 x 1 with Bottom Pin Brick Sloped 45° ...
Part #: 3040b 4× Black
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b 3× Black
Tile 2 x 2 with Groove Tile 2 x 2 with G...
Part #: 3068b 3× Light Bluish Gray
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b 3× Light Bluish Gray
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b 2× Black
Tile 1 x 1 with Groove Tile 1 x 1 with G...
Part #: 3070b 4× Black
Plate Special 3 x 2 with Rounded End, Hole Plate Special 3 x...
Part #: 3176 2× Red
Brick 1 x 2 x 2 with Inside Stud Holder Brick 1 x 2 x 2 w...
Part #: 3245c 2× Black
Brick Sloped Inverted 45° 4 x 1 Double with 1 x 2 Recessed Brick Sloped Inve...
Part #: 32802 1× Black
Brick 1 x 3 Brick 1 x 3
Part #: 3622 2× Black
Plate 1 x 3 Plate 1 x 3
Part #: 3623 4× Black
Plate 1 x 6 Plate 1 x 6
Part #: 3666 1× Black
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 1× Black
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 4× Red
Technic Brick 1 x 8 [7 Pin Holes] Technic Brick 1 x...
Part #: 3702 2× Red
Technic Axle 6 Technic Axle 6
Part #: 3706 3× Red
Plate 1 x 4 Plate 1 x 4
Part #: 3710 2× Black
Plate 2 x 6 Plate 2 x 6
Part #: 3795 2× Red
Hinge Brick 1 x 2 Base Hinge Brick 1 x 2...
Part #: 3937 2× Black
Brick Round 2 x 2 with Axle Hole Brick Round 2 x 2...
Part #: 3941 2× Black
Plate 6 x 6 Plate 6 x 6
Part #: 3958 1× Black
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 1× Red
Brick Special 1 x 1 with Headlight Brick Special 1 x...
Part #: 4070 2× Red
Brick Sloped 33° 3 x 3 Brick Sloped 33° ...
Part #: 4161 4× Black
Tile 1 x 8 with Groove Tile 1 x 8 with G...
Part #: 4162 4× Black
Plate Special 1 x 2 with Ladder Plate Special 1 x...
Part #: 4175 2× Red
Technic Pin 1/2 without Friction Ridges Technic Pin 1/2 w...
Part #: 4274 1× Light Bluish Gray
Plate 2 x 16 Plate 2 x 16
Part #: 4282 2× Red
Train Wheel Spoked with Technic Axle Hole and Rubber Friction Band Train Wheel Spoke...
Part #: 57999 6× Red
Window 1 x 2 x 2 Flat Front Window 1 x 2 x 2 ...
Part #: 60592 4× Black
Glass for Window 1 x 2 x 2 Flat Glass for Window ...
Part #: 60601 4× Trans-Clear
Hinge Brick 2 x 2 Top Plate Thin Hinge Brick 2 x 2...
Part #: 6134 2× Black
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 3× Trans-Yellow
Plate Special 4 x 4, Studs on One Edge Plain] Plate Special 4 x...
Part #: 6179 1× Dark Bluish Gray
Brick 2 x 2 without Inside Ridges Brick 2 x 2 witho...
Part #: 6223 2× Trans-Clear
Tile 1 x 6 with Groove Tile 1 x 6 with G...
Part #: 6636 2× Black
Sticker Sheet for Set 40370-1 Sticker Sheet for...
Part #: 66886 1× [No Color/Any Color]
Plate Special 2 x 2 with Groove and Center Stud (Jumper) Plate Special 2 x...
Part #: 87580 2× Light Bluish Gray
Brick Sloped 75° 2 x 2 x 3 [Solid Studs] Brick Sloped 75° ...
Part #: 98560 2× Black
Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] Plate Special 2 x...
Part #: 99206 1× Black
Bracket 1 x 2 - 1 x 2 Inverted Bracket 1 x 2 - 1...
Part #: 99780 1× Black
This set offers a useful selection of train wheels, black tiles, and slopes, making it a valuable source of parts for MOC builders looking to create their own train designs or expand existing layouts.

🛒 Where to Buy

💎 Notable Parts

Red Train Wheel Spoked with Technic Axle Hole and Rubber Friction Band (6x) $1.50
Black Tile 1 x 8 with Groove (4x) $0.40
Black Slope 33° 3 x 3 (4x) $0.60
Est. BrickLink Part Value
$2.50

💡 MOC Potential

🚗 Expand the train display with additional carriages or freight cars.
🏙 Create a small train station or depot to complement the set.
🌳 Build a scenic landscape with trees and tunnels for the trains to travel through.

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 6 videos
3.0 /5
Mixed
0% positive
BlockTalk AI

YouTube reviews of the LEGO 40370 40th Anniversary Steam Engine are generally neutral, focusing on set features and comparisons. Reviewers like BrickTsar share unboxing and play experiences, while others offer speed builds and reviews without strong positive or negative opinions.

Community Sentiment

Based on 6 YouTube reviews

Reddit

Not enough Reddit data

YouTube

3.0 /5
Mixed
0% positive
0
Positive
6
Mixed
0
Critical
BlockTalk AI Analysis

YouTube reviews of the LEGO 40370 40th Anniversary Steam Engine are generally neutral, focusing on set features and comparisons. Reviewers like BrickTsar share unboxing and play experiences, while others offer speed builds and reviews without strong positive or negative opinions.

What the Community Says

2 YouTube reviews
BlockTalk AI Summary

Ashnflash provides a general overview of the set as a promotional item, while BrickTsar compares it to older train models like the 7810, showcasing a special blue 2x4 brick and experimenting with 12v motors. The reviews focus on the set's features and nostalgia rather than strong opinions.

Community Content: These reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

📖 Building Instructions 2

40 Years of LEGO Trains Instructions
BI 3105, 52/65G, 40370 V29
Download PDF
40 Years of LEGO Trains Instructions
BI 3105, 52/65G, 40370 V39
Download PDF

Charts Inventory Statistics

64
Unique Parts
188
Official Piece Count
184
Cataloged Inventory Pieces
1
Minifigures
5
Spare Parts

The official piece count includes the 4 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

Inventory Version: 1

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