How many pieces are in the Intelligent Train Set?

Intelligent Train Set contains 134 pieces.

When was the Intelligent Train Set released?

Intelligent Train Set was released in 2003.

🏛 Duplo and Explore

Set #9125

Intelligent Train Set

The Intelligent Train Set is a delightful introduction to motorized LEGO trains for young builders.

Before you buy

Who it's for: Beginner build Ideal for toddlers and young children aged 2-5 who are new to LEGO building and train sets.
Build: 134 pieces · about 1.5 hours Build time is an estimate.
Availability: Likely retired

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

Parents and kids alike appreciate the set's simplicity and the joy of watching the train move. Some find the track layout options limited but overall a great starter train set for toddlers.

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📝 Our Take

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

The Intelligent Train Set is a delightful introduction to motorized LEGO trains for young builders. Released in 2003 under the Duplo and Explore themes, this set provides a fantastic way to engage toddlers with interactive play and early engineering concepts.

This set is perfect for parents and grandparents looking to introduce LEGO to children ages 2-5. The large Duplo bricks are easy for small hands to manipulate, and the train's simple motorization adds a layer of excitement and educational value.

Skip this if you are primarily interested in complex building techniques or detailed display models. This set is designed for young children, so consider LEGO City train sets for older kids and adult collectors.

✨ New

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How does this Duplo train compare to newer Duplo train sets? What is the best way to clean and maintain the motorized train? Are replacement parts easily available for this set? How can I expand the track layout with additional Duplo track pieces?

🧱 Building Experience

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

🧩

134

Pieces

⏱

1.5h

Estimated Build Time

📊

Beginner

Difficulty

Build Highlights:

Simple, sturdy Duplo construction perfect for small hands
Introduction to basic motorized train function
Bright colors and engaging play features
Easy-to-assemble track layout promotes creativity

📈 Investment Analysis

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

Not enough price history for a trend

Investment Grade

⏳ Retired

The Intelligent Train Set, being a Duplo set from the early 2000s, holds moderate investment potential. Its appeal lies in its target audience (young children) and the potential for nostalgia among collectors who grew up with Duplo trains. While not as highly sought after as some licensed themes, the set's age and complete sets in good condition command a premium. Keep an eye on the condition and completeness of the set, as missing or damaged parts can significantly impact its value.

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

⚖ Compare Similar Sets

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Compared to other Duplo train sets, the Intelligent Train Set offers a balance of simplicity and functionality. While newer Duplo train sets may have more advanced features, this set provides a classic introduction to motorized trains for young children. Consider modern Duplo train options for smartphone control and sound effects.

📦 Parts Inventory

Piece count: 134
Parts cataloged in this inventory: 58 unique parts, 134 pieces

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

Duplo Train Base ...

Part #: 2092c01 1× Black

Duplo Plate 8 x 3...

Part #: 2156 1× Bright Green

Duplo Fence / Rai...

Part #: 2214 2× Black

Duplo Brick 2 x 4...

Part #: 31213pr0002 1× Red

Duplo Brick 2 x 4...

Part #: 31213pr9996 1× Red

Duplo Train Compa...

Part #: 31301 1× Pearl Light Gray

Duplo Train Cargo...

Part #: 31303 1× Yellow

Duplo Train Track...

Part #: 31442 1× Dark Gray

Duplo Plate Speci...

Part #: 31465 2× Medium Blue

Duplo Train Base ...

Part #: 31507c01 2× Black

Duplo Brick 2 x 2

Part #: 3437 4× White

Duplo Brick 2 x 2

Part #: 3437 4× Orange

Duplo Brick 2 x 2

Part #: 3437 1× Trans-Green

Duplo Brick 2 x 2

Part #: 3437 1× Red

Duplo Brick 2 x 2

Part #: 3437 2× Trans-Yellow

Duplo Brick 2 x 2

Part #: 3437 2× Black

Duplo Brick 1 x 2...

Part #: 4066pr0084 1× Red

Duplo Brick 1 x 2...

Part #: 4066pr0085 1× Bright Green

Duplo Winch Drum ...

Part #: 41169c04 1× Black

Background, Wall ...

Part #: 4170201 1× [No Color/Any Color]

Duplo Plate 6 x 12

Part #: 4196 2× Dark Gray

Duplo Plate 6 x 12

Part #: 4196 2× Medium Blue

Duplo Brick 2 x 2...

Part #: 41978 14× White

Duplo Brick 2 x 2...

Part #: 41978 8× Red

Duplo Plate 4 x 4...

Part #: 42058 2× White

Duplo Train, Inte...

Part #: 42359 1× Trans-Brown

Duplo Train Intel...

Part #: 42386 1× Trans-Red

Duplo Train Intel...

Part #: 42387 1× Trans-Light Blue

Duplo Train Intel...

Part #: 42388 1× Trans-Dark Pink

Duplo Train Intel...

Part #: 42391 1× Trans-Yellow

Duplo Train Intel...

Part #: 42392 1× Trans-Neon Orange

Duplo Train Intel...

Part #: 42394 1× Trans-Green

Duplo Train Passe...

Part #: 42397 1× Yellow

Duplo Bag / Wheel...

Part #: 42398 1× Blue

Duplo Bag / Wheel...

Part #: 42398 1× Medium Dark Pink

Duplo Train, Inte...

Part #: 42400c01 1× Blue

Duplo Train, Inte...

Part #: 42400c03 1× Red

Duplo Forklift Tr...

Part #: 42404c01 1× Orange

Duplo Forklift Plate

Part #: 42405 1× Black

Duplo Train Passe...

Part #: 42406 1× Trans-Brown

Duplo Figure, Ear...

Part #: 44349pr0001 1× Yellow

Duplo Figure, Ear...

Part #: 44349pr0002 1× Red

Duplo Plate 4 x 8

Part #: 4672 1× Bright Green

Duplo Crane Arm (...

Part #: 55436 1× Orange

Duplo Train Intel...

Part #: 6172 1× Yellow

Duplo Train Track...

Part #: 6377 8× Dark Gray

Duplo Train Track...

Part #: 6378 14× Dark Gray

Duplo Train Track...

Part #: 6379c01 3× Dark Gray

Duplo Train Track...

Part #: 6391 1× Dark Gray

Duplo Brick 2 x 4...

Part #: 6394pr0001 1× Black

Duplo Train Cross...

Part #: 6405 2× Black

Duplo Train Cross...

Part #: 6406b 2× Red

Duplo Hose with G...

Part #: 6425c01 1× Green

Duplo Hose 11L wi...

Part #: 6426c02 1× Green

Duplo Brick 2 x 2...

Part #: 6442pr0001 3× Yellow

Duplo Brick 2 x 2...

Part #: 6474 8× Black

Duplo Brick 2 x 2...

Part #: 6474pr9972 1× Red

Duplo Brick 2 x 2...

Part #: 6474pr9994 1× Red

Duplo Chair with ...

Part #: 6478 2× Red

Duplo Figure, Ear...

Part #: 74506pr0001 1× Blue

Duplo Figure, Ear...

Part #: 74511pr0023 1× Medium Blue

Duplo Water Conta...

Part #: 75084pr0003 1× White

Duplo Figure, Ear...

Part #: 76045pr0006 1× Medium Dark Pink

Duplo Figure, Ear...

Part #: 76399pr0002 1× Red

🧱 Instructions, Dup...

Part #: 4185961 1× [No Color/Any Color]

🧱 Video Tape, Duplo...

Part #: 44944 1× [No Color/Any Color]

The set includes a good quantity of track pieces and standard Duplo bricks, useful for expanding any Duplo collection or creating custom builds. The printed arrow brick is a standout part.