How many pieces are in the Building Set?

Building Set contains 190 pieces.

When was the Building Set released?

Building Set was released in 1973.

🏛 Universal Building Set

Set #115

Building Set

The Building Set 115-1 is a charming piece of LEGO history.

Before you buy

Who it's for: Beginner build Ideal for vintage LEGO enthusiasts and those new to LEGO building.
Build: 190 pieces · about 1.5 hours Build time is an estimate.
Price: $5.99 list price · 3.2¢ per piece
Availability: Likely retired

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

Collectors appreciate this set for its vintage charm and historical value, though some find the building experience too simple compared to modern sets. The high price reflects its rarity, not necessarily its play value.

$5.99

Best Price

$5.39

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10% OFF

📝 Our Take

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

The Building Set 115-1 is a charming piece of LEGO history. Released in 1973, this set provides a delightful glimpse into the early days of LEGO, featuring classic brick designs and a simple yet versatile parts selection that encourages open-ended creativity.

This set is perfect for vintage LEGO collectors and those interested in the brand's heritage. It offers a nostalgic building experience and a tangible connection to the roots of LEGO's enduring appeal. The limited number of pieces makes it a quick and satisfying build.

Skip this set if you're looking for complex building techniques or highly detailed models. Modern LEGO sets offer more intricate designs and advanced building experiences; consider sets from the LEGO Classic line for a modern take on basic building, like 11017-1.

✨ New

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🧱 Building Experience

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

🧩

190

Pieces

⏱

1.5h

Estimated Build Time

📊

Beginner

Difficulty

Build Highlights:

Simple, straightforward building techniques
Focus on open-ended creativity
Nostalgic parts and color palette
Classic LEGO System feel

📈 Investment Analysis

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

↑ Trending up since release

Investment Grade

⏳ Retired

The Building Set 115-1 presents an interesting investment opportunity due to its age and historical significance. As a set from 1973, it's relatively rare to find in good condition, which drives up its value among collectors. The rising price trend indicates increasing demand. However, the lack of licensing or unique elements compared to modern sets means its appreciation potential may be limited. Condition is key for this set; a complete box in excellent shape will command a premium.

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

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Compared to modern LEGO sets, the Building Set 115-1 offers a much simpler and more open-ended building experience. While newer sets like those in the LEGO Classic line (e.g., 11017-1) provide more diverse parts and advanced techniques, this vintage set appeals to collectors seeking a nostalgic connection to LEGO's past. Its value lies in its rarity and historical significance rather than its building complexity.

📦 Parts Inventory

Official piece count: 190
Parts cataloged in this inventory: 21 unique parts, 190 pieces

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

Tyre Smooth Old S...

Part #: 132a 4× Black

Brick 2 x 4 witho...

Part #: 3001a 8× Black

Brick 2 x 4 witho...

Part #: 3001a 4× Trans-Clear

Brick 2 x 4 witho...

Part #: 3001a 30× White

Brick 2 x 4 witho...

Part #: 3001a 3× Blue

Brick 2 x 4 witho...

Part #: 3001a 5× Yellow

Brick 2 x 4 witho...

Part #: 3001a 24× Red

Brick 2 x 3 witho...

Part #: 3002a 8× White

Brick 2 x 3 witho...

Part #: 3002a 8× Red

Brick 2 x 3 witho...

Part #: 3002a 2× Yellow

Brick 2 x 2 witho...

Part #: 3003a 12× Red

Brick 2 x 2 witho...

Part #: 3003a 1× Black

Brick 2 x 2 witho...

Part #: 3003a 16× White

Brick 1 x 2

Part #: 3004 8× Red

Brick 1 x 2

Part #: 3004 16× White

Brick 1 x 2

Part #: 3004 2× Yellow

Brick 1 x 2

Part #: 3004 2× Blue

Brick 1 x 2

Part #: 3004 4× Black

Brick 1 x 2

Part #: 3004 2× Trans-Clear

Brick 1 x 1

Part #: 3005 2× Yellow

Brick 2 x 8

Part #: 3007 2× White

Brick 1 x 8

Part #: 3008 2× Red

Brick 1 x 4

Part #: 3010 2× White

Part #: 3081c01 2× Red

Door Frame 1 x 3 x 4

Part #: 3579 1× White

Brick Special 1 x...

Part #: 3581 2× White

Window 1 x 2 x 2 ...

Part #: 3582 2× Blue

Window 1 x 4 x 2 ...

Part #: 453cc01 2× Red

Window 1 x 6 x 3 ...

Part #: 604c01 1× Red

Brick 10 x 20 wit...

Part #: 700d 1× Green

Wheel Old with 4 ...

Part #: 7039 4× Red

Brick Special 2 x...

Part #: 7049bc01 2× Black

Door 1 x 3 x 4 wi...

Part #: 7930 1× Red

The set features a classic selection of basic bricks in primary colors, typical of LEGO sets from the 1970s. The absence of cross supports in the 2x4 bricks is a notable characteristic of this era.