How many pieces are in the Building Set?

Building Set contains 150 pieces.

When was the Building Set released?

Building Set was released in 1973.

🏛 Universal Building Set

Set #105-2

Building Set

The Building Set 105-2 is a charming slice of LEGO history.

Before you buy

Who it's for: Beginner build Ideal for young children and those new to LEGO building, as well as collectors interested in vintage sets
Build: 150 pieces · about 1.5 hours Build time is an estimate.
Price: $6.00 list price · 4.0¢ per piece
Availability: Likely retired

★★★★☆ 4.1 community rating from 18 ratings

Fans appreciate the nostalgic value and simplicity of this vintage set, but some find the limited building options and basic parts selection underwhelming compared to modern LEGO sets. The rising price reflects its collectibility, but may not justify the building experience for everyone.

$6.00

Best Price

$5.40

You Save

10% OFF

📝 Our Take

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

The Building Set 105-2 is a charming slice of LEGO history. Released in 1973, this set offers a delightful glimpse into the early days of LEGO, showcasing the simple yet versatile building blocks that have captivated generations.

This set is perfect for vintage LEGO collectors and those seeking a nostalgic building experience. The limited color palette and classic brick selection provide a unique opportunity to recreate timeless designs or invent your own creations.

Skip this if you're seeking complex building techniques or highly detailed models. For more intricate builds, consider modern LEGO sets with a wider range of specialized parts and advanced construction methods.

✨ New

Ask BlockTalk about this set

AI assistant with full set data

BlockTalk

Hi! I'm BlockTalk, your LEGO expert. Ask me anything about the Building Set - building tips, investment potential, comparisons, or anything else!

Try asking:

What is the historical significance of this set in LEGO's product line? How does the building experience compare to modern LEGO sets? What factors contribute to the set's value as a collectible? How should I properly store and preserve this set to maintain its value?

🧱 Building Experience

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

🧩

150

Pieces

⏱

1.5h

Estimated Build Time

📊

Beginner

Difficulty

Build Highlights:

Simple, classic building techniques
Focus on fundamental brick connections
Encourages creative, free-form building
Nostalgic experience reminiscent of early LEGO sets

📈 Investment Analysis

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

↑ Trending up since release

B+

Investment Grade

⏳ Retired

The 105-2 Building Set presents a unique investment opportunity due to its age and rarity. As a vintage set from 1973, it holds significant historical value for collectors. The relatively low piece count and simple design make it an accessible entry point for those interested in investing in classic LEGO sets. However, its investment potential is tied to its condition and completeness, with sealed or near-mint sets commanding a premium. Prices for this set have been steadily rising, suggesting increasing demand from collectors. While not a guaranteed high-return investment, its scarcity and historical significance make it a potentially worthwhile addition to a LEGO investment portfolio.

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 modern LEGO sets, the 105-2 Building Set offers a simpler, more fundamental building experience. While lacking the intricate details and advanced techniques of contemporary sets, it provides a nostalgic glimpse into LEGO's early days. Collectors interested in vintage sets may also consider other classic LEGO sets from the 1960s and 1970s. For those seeking a more modern building experience, numerous sets with higher piece counts and more complex designs are available.

📦 Parts Inventory

Piece count: 150
Parts cataloged in this inventory: 19 unique parts, 150 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 2× Black

Brick 2 x 4 witho...

Part #: 3001a 7× Blue

Brick 2 x 4 witho...

Part #: 3001a 22× Red

Brick 2 x 4 witho...

Part #: 3001a 25× White

Brick 2 x 4 witho...

Part #: 3001a 3× Yellow

Brick 2 x 3 witho...

Part #: 3002a 4× White

Brick 2 x 3 witho...

Part #: 3002a 2× Yellow

Brick 2 x 3 witho...

Part #: 3002a 2× Red

Brick 2 x 3 witho...

Part #: 3002a 2× Blue

Brick 2 x 2 witho...

Part #: 3003a 2× Yellow

Brick 2 x 2 witho...

Part #: 3003a 12× White

Brick 2 x 2 witho...

Part #: 3003a 3× Black

Brick 2 x 2 witho...

Part #: 3003a 2× Blue

Brick 2 x 2 witho...

Part #: 3003a 12× Red

Brick 1 x 2

Part #: 3004 4× White

Brick 1 x 2

Part #: 3004 1× Blue

Brick 1 x 2

Part #: 3004 5× Black

Brick 1 x 2

Part #: 3004 4× Red

Brick 1 x 2

Part #: 3004 4× Yellow

Brick 1 x 1

Part #: 3005 2× Yellow

Brick 2 x 8

Part #: 3007 2× Red

Brick 1 x 6

Part #: 3009 2× White

Brick 1 x 4

Part #: 3010 2× Red

Brick 1 x 4

Part #: 3010 2× White

Plate 4 x 8

Part #: 3035 1× Blue

Window 1 x 2 x 2 ...

Part #: 3081c01 2× Red

Door Frame 1 x 3 x 4

Part #: 3579 1× Red

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

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× Blue

This set features a classic assortment of basic LEGO bricks in primary colors. The absence of specialized parts encourages creative building and imaginative designs. The red and white 2x4 bricks are present in high quantities, useful for building walls and structures.

🛒 Where to Buy

eBay

✓ In Stock

$5.40 →

Walmart

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$5.70

Target

✓ In Stock

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$6.00

💎 Notable Parts

White Brick 2 x 4 without Cross Supports (25x) $2.50

Red Brick 2 x 4 without Cross Supports (22x) $2.20

Black Tyre Smooth Old Style - Small (4x) $1.00

Est. BrickLink Part Value

$5.70

💡 MOC Potential

🏙 Classic town buildings

🚗 Vintage cars and trucks

🏰 Small medieval structures

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

1 video found

BlockTalk AI

BrickTsar positively reviewed the vintage LEGO 105 Canada Post Truck from 1984, highlighting its rarity, particularly due to the printed bricks. He appreciates the set's age and unique elements.

LEGO HAUL from eBay Goodwill and a YouTuber - Vintage stuff & Lego Movie minifigures

BrickTsar • 7.5K views Review

What the Community Says

1 YouTube reviews

BlockTalk AI Summary

BrickTsar positively reviewed the vintage LEGO 105 Canada Post Truck from 1984, highlighting its rarity, particularly due to the printed bricks. He appreciates the set's age and unique elements.