How many pieces are in the Imagine and Build?

Imagine and Build contains 500 pieces.

What age is the Imagine and Build recommended for?

This set is recommended for ages 18+.

When was the Imagine and Build released?

Imagine and Build was released in 2002.

🏛 Early Creator

Set #4105

Imagine and Build

Name: Imagine and Build
Brand: LEGO
SKU: 4105-1

Imagine and Build is a classic early LEGO set that sparks creativity.

🏆 Best For: Young children and new LEGO enthusiasts who enjoy creative, unstructured play. ⏱ 4.5 hr build 🧩 500 pcs

★★★☆☆ 3.8

A good entry-level set for sparking creativity in young builders, though some find the lack of instructions limiting. Fans appreciate the variety of basic bricks, but the set's simplicity may not appeal to experienced LEGO enthusiasts.

MSRP

$9.99

Best Price

$8.99

You Save

10% OFF

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📝 Our Take

Imagine and Build is a classic early LEGO set that sparks creativity. Released in 2002 under the Early Creator theme, this 500-piece set offers a diverse brick selection in vibrant colors, encouraging builders to dream up and construct their own creations without the constraints of specific instructions.

This set is perfect for young builders and LEGO newcomers looking to explore free-form building. With no prescribed models, it promotes imagination and experimentation, making it an excellent starting point for developing building skills and design thinking.

Skip this if you are seeking complex building techniques or detailed, display-worthy models. Consider sets like the LEGO Classic series (e.g., 11016-1) for a similar but more modern approach to basic brick building, or themed sets if you prefer following instructions.

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🧱 Building Experience

🧩

500

Pieces

⏱

4.5h

Build Time

📊

Beginner

Difficulty

Build Highlights:

Focuses on free-form building and imagination.
Simple brick construction with no advanced techniques.
A wide variety of basic bricks in classic colors.
Encourages experimentation and creative problem-solving.

📈 Investment Analysis

↑ Trending up since release

C+

Investment Grade

⏳ Appreciating

The Imagine and Build set, released in 2002, presents a modest investment opportunity. Its relatively low MSRP and decent piece count for the time make it accessible to collectors. The set's age and retired status contribute to its appreciation potential, especially for sealed copies. However, as a basic brick set without exclusive elements or licensing, its growth potential is limited compared to themed or minifigure-heavy sets. Given the rising price trend, acquiring a set at a reasonable price point may yield moderate returns over time. The lack of unique or highly desirable parts means that parted-out values won't be significant.

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

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The Imagine and Build set is similar in concept to the modern LEGO Classic series but lacks the instruction manuals for simple builds found in those sets. While sets like 11016-1 offer guided building experiences, 4105-1 emphasizes pure creative freedom. The LEGO Classic sets are generally more readily available and often cheaper, but 4105-1 has the appeal of a vintage set.

📦 Full Parts Inventory - 25 unique parts • 500 total pieces

Brick 2 x 6

Part #: 2456 2× Yellow

Brick 2 x 6

Part #: 2456 2× Red

Brick 2 x 4

Part #: 3001 4× Green

Brick 2 x 4

Part #: 3001 4× White

Brick 2 x 4

Part #: 3001 4× Yellow

Brick 2 x 4

Part #: 3001 2× Tan

Brick 2 x 4

Part #: 3001 4× Brown

Brick 2 x 4

Part #: 3001 4× Black

Part #: 3001pr0009 1× Yellow

Part #: 3002 4× White

Brick 2 x 3

Part #: 3002 2× Black

Brick 2 x 3

Part #: 3002 4× Green

Brick 2 x 3

Part #: 3002 4× Yellow

Brick 2 x 3

Part #: 3002 4× Blue

Brick 2 x 2

Part #: 3003 14× Brown

Brick 2 x 2

Part #: 3003 12× Yellow

Brick 2 x 2

Part #: 3003 10× Tan

Brick 2 x 2

Part #: 3003 8× Black

Brick 2 x 2

Part #: 3003 12× Blue

Brick 2 x 2

Part #: 3003 12× Green

Brick 2 x 2

Part #: 3003 10× White

Brick 2 x 2

Part #: 3003 20× Red

Brick 1 x 2

Part #: 3004 14× Black

Brick 1 x 2

Part #: 3004 18× Blue

Brick 1 x 2

Part #: 3004 10× Tan

Brick 1 x 2

Part #: 3004 8× Green

Brick 1 x 2

Part #: 3004 18× Brown

Brick 1 x 2

Part #: 3004 22× Red

Brick 1 x 2

Part #: 3004 12× White

Brick 1 x 2

Part #: 3004 18× Yellow

Brick 1 x 1

Part #: 3005 20× Red

Brick 1 x 1

Part #: 3005 14× Blue

Brick 1 x 1

Part #: 3005 20× White

Brick 1 x 1

Part #: 3005 18× Green

Brick 1 x 1

Part #: 3005 18× Black

Brick 1 x 1 with ...

Part #: 3005pr9994 1× Light Gray

Brick 1 x 1 with ...

Part #: 3005pr9995 1× Light Gray

Brick 1 x 1 with ...

Part #: 3005pr9996 2× Yellow

Brick 2 x 8

Part #: 3007 2× Yellow

Brick 2 x 8

Part #: 3007 2× Red

Brick 1 x 8

Part #: 3008 2× White

Brick 1 x 8

Part #: 3008 2× Black

Brick 1 x 8

Part #: 3008 2× Yellow

Brick 1 x 8

Part #: 3008 2× Red

Brick 1 x 6

Part #: 3009 2× Yellow

Brick 1 x 6

Part #: 3009 2× Brown

Brick 1 x 6

Part #: 3009 2× Green

Brick 1 x 6

Part #: 3009 2× White

Part #: 3009 2× Black

Brick 1 x 4

Part #: 3010 6× Red

Brick 1 x 4

Part #: 3010 4× Green

Brick 1 x 4

Part #: 3010 4× Brown

Brick 1 x 4

Part #: 3010 4× Black

Brick 1 x 4

Part #: 3010 6× Yellow

Brick 1 x 4

Part #: 3010 6× Blue

Brick 1 x 4

Part #: 3010 6× White

Brick 1 x 4 with ...

Part #: 3010pr9980 1× Yellow

Plant, Round 1 x ...

Part #: 30176 1× Green

Plate 2 x 4

Part #: 3020 2× Brown

Plate 2 x 3

Part #: 3021 2× Brown

Plate 2 x 3

Part #: 3021 2× White

Plate 2 x 3

Part #: 3021 2× Black

Part #: 3022 2× Yellow

Slope 45° 2 x 2

Part #: 3039 2× Brown

Brick 1 x 3

Part #: 3622 4× Brown

Brick 1 x 3

Part #: 3622 6× White

Brick 1 x 3

Part #: 3622 6× Yellow

Brick 1 x 3

Part #: 3622 4× Black

Brick 1 x 3

Part #: 3622 4× Green

Part #: 3660 2× Brown

Slope 33° 3 x 1

Part #: 4286 2× Yellow

Slope 33° 3 x 1

Part #: 4286 2× Brown

Slope Inverted 34...

Part #: 4287a 2× Brown

Slope Inverted 34...

Part #: 4287a 2× Yellow

Plant, Flower 2 x...

Part #: 4728 1× White

This set provides a good assortment of basic bricks in primary colors, useful for general building and expanding a LEGO collection. While no parts are particularly rare, the quantity of red, white, yellow, blue, black, and brown bricks makes it a valuable source for MOC builders needing these common colors.