Where it all began!
Build history with 38 vintage bricks

Own a rare piece of 1965 LEGO heritage with this classic supplemental set, perfect for true vintage collectors and nostalgic builders.

🏛 Supplemental
Set #509

38 Slimbricks Assorted Sizes

The 38 Slimbricks Assorted Sizes set is a fascinating glimpse into LEGO's early history.

Before you buy

Who it's for
Beginner build Ideal for LEGO historians and collectors interested in early LEGO sets
Build
38 pieces · about 0.3 hours Build time is an estimate.
Price
$0.50 list price · 1.3¢ per piece
Availability
Likely retired
★★★☆☆ 3.8 AI-generated review score, not a customer rating

Collectors appreciate this set for its historical value and rarity, though the limited number of pieces makes it less appealing for building complex models. The high price reflects its status as a vintage collectible, not its play value.

MSRP
$0.50
Best Price
$0.45
You Save
10% OFF
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📝 Our Take

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

The 38 Slimbricks Assorted Sizes set is a fascinating glimpse into LEGO's early history. Released in 1965, this supplemental set provided builders with a collection of basic black plates, encouraging creativity and expanding building possibilities with a limited but versatile parts selection.

This set is perfect for LEGO historians and vintage collectors. It offers a tangible connection to the roots of the LEGO system, providing insight into the simple yet effective building techniques of the era. It's a small set, but one with a big story.

Skip this if you're looking for a modern building experience or complex models. With only 38 pieces, the building potential is limited compared to contemporary sets. Consider modern Classic sets for a wider range of bricks and colors.

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What is the historical significance of this set in the LEGO timeline? How does the building experience compare to modern LEGO sets? What factors contribute to the set's investment potential? What are some creative ways to use these basic bricks in MOCs?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI
🧩
38
Pieces
⏱
0.25h
Estimated Build Time
📊
Beginner
Difficulty
Build Highlights:
  • Simple and straightforward building experience
  • Focus on basic plate construction
  • Classic LEGO system elements
  • Historical significance for vintage collectors

📈 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 38 Slimbricks Assorted Sizes set presents a unique investment opportunity due to its age and rarity. As a vintage set from 1965, it holds significant historical value for collectors. The rising price trend indicates increasing demand, driven by nostalgia and the limited availability of these early LEGO sets. While the piece count is low, the set's rarity and historical context could lead to further appreciation. However, condition is critical, and finding a complete, undamaged set is essential for maximizing investment potential. The small size may limit its appeal to a broader collector base compared to larger, more iconic vintage sets.

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

⚖ Compare Similar Sets

Compared to modern supplemental sets, the 38 Slimbricks Assorted Sizes offers a unique historical perspective. While modern sets provide a wider variety of parts and colors, this vintage set appeals to collectors seeking a tangible connection to LEGO's origins. Collectors interested in expanding their parts collection with more modern bricks might consider LEGO Classic sets, but those seeking a piece of LEGO history will find this set particularly appealing.

📦 Parts Inventory

Piece count
38
Parts cataloged in this inventory
5 unique parts, 38 pieces
This set provides a collection of basic black plates, useful for adding details to vintage models or creating minimalist MOCs. While the color is standard, the vintage nature of these parts adds to their collectible value.

🛒 Where to Buy

eBay
✓ In Stock
$0.45 →
Walmart
✓ In Stock
Compare on eBay →
$0.48
Target
✓ In Stock
Compare on eBay →
$0.50

💎 Notable Parts

Black Plate 2 x 4 (10x) $0.50
Black Plate 2 x 3 (10x) $0.50
Black Plate 2 x 2 (8x) $0.40
Est. BrickLink Part Value
$1.40

💡 MOC Potential

🏙 Small-scale city building details
🚗 Adding details to vintage car models
🏰 Creating miniature castle fortifications

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Charts Inventory Statistics

5
Unique Parts
38
Piece Count
38
Cataloged Inventory Pieces
0
Minifigures
Inventory Version: 7

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