Gear Up Your Build!
Add vintage functionality

Expand your classic Expert Builder sets with 77 original Technic pieces from 1978. A must-have for serious LEGO enthusiasts and collectors.

🏛 Expert Builder
Set #872

Supplementary Set

The Supplementary Set is a fascinating glimpse into early LEGO Technic.

🏆 Best For: Ideal for LEGO enthusiasts interested in early Technic mechanisms and vintage sets. ⏱ 1.0 hr build 🧩 77 pcs
★★★☆☆ 3.4 from 1 reviews

Fans appreciate this set's historical significance as an early Technic supplement, though some find it lacking in build complexity compared to modern sets. The value lies in its vintage appeal and the opportunity to explore basic mechanical principles.

MSRP
$19.50
Best Price
$17.55
You Save
10% OFF
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📝 Our Take

The Supplementary Set is a fascinating glimpse into early LEGO Technic. Released in 1978, it offered builders a way to expand the possibilities of their existing sets with gears, axles, and connectors. This set showcases the foundational elements that would define the Technic theme for decades to come.

This set is perfect for LEGO history buffs and Technic enthusiasts. It provides a hands-on experience with the original Technic components and offers a unique opportunity to understand the evolution of the system. It's a small set, but the value lies in its historical significance.

Skip this if you're looking for a complex or visually stunning build. This set is purely functional, designed to add mechanical elements to other creations. Consider a modern Technic set like the 42156-1 Peugeot 9X8 24H Le Mans Hybrid Hypercar for a more involved building experience.

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What are the key differences between this set and modern Technic sets? How can I use these parts to motorize my other LEGO creations? What is the historical significance of this set in the development of LEGO Technic? What should I look for when buying a used copy of this set to ensure it's complete?

🧱 Building Experience

🧩
77
Pieces
1.0h
Build Time
📊
Beginner
Difficulty
Build Highlights:
  • Simple assembly showcasing basic Technic principles
  • Introduction to gears and axle connections
  • Understanding early Technic motorization
  • Exploring the possibilities of adding motion to LEGO models

📈 Investment Analysis

↑ Trending up since release
B
Investment Grade
⏳ Appreciating
The Supplementary Set, released in 1978, holds moderate investment potential due to its age and rarity. As an early Technic set, it attracts collectors interested in vintage LEGO. The relatively small piece count and specialized nature of the set might limit its appeal to a broader audience. However, well-preserved sets with original packaging can command a premium. The rising price trend suggests increasing collector interest. Potential investors should carefully assess the condition and completeness of the set before purchasing.

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

Compare Similar Sets

Compared to modern Technic sets, the Supplementary Set offers a very basic introduction to mechanical elements. Sets like the 42132-1 Motorcycle provide a more comprehensive building experience with similar piece counts and price points, but lack the vintage appeal. Collectors interested in early Technic may prefer this set for its historical value.

📦 Full Parts Inventory - 9 unique parts • 77 total pieces

The set contains a variety of early Technic elements, including gears, axles, and connectors. The abundance of Black Technic Links makes this set a useful source for builders looking to create articulated structures or linkages.

🛒 Where to Buy

eBay
✓ In Stock
$17.55
Walmart
✓ In Stock
$18.53
Target
✓ In Stock
$19.50
Amazon

💎 Notable Parts

Black Technic Link (62x) $3.10
Light Gray Technic Gear 24 Tooth [Old Style - Three axle holes] (4x) $1.00
Red Technic Plate 2 x 8 [7 Holes] (2x) $0.50
Light Gray Motor Housing 4 x 4 x 3, 4.5V (1x) $1.00
Est. BrickLink Part Value
$5.60

💡 MOC Potential

🚗 Simple gear-driven car or truck chassis
🤖 Basic robotic arm with limited movement
🌳 Windmill or water wheel mechanism

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 3 videos
3.0 /5
Mixed
0% positive
BlockTalk AI

The vintage LEGO Technic Gear Block Set 872 (1978) is viewed alongside the 4.5v Motor Set 870 (1977) in a retrospective context, highlighting early Technic functionality. While no strong opinions are voiced, the video focuses on demonstrating the sets' original features.

Community Sentiment

Based on 3 YouTube reviews

Reddit

Not enough Reddit data

YouTube

3.0 /5
Mixed
0% positive
0
Positive
3
Mixed
0
Critical
BlockTalk AI Analysis

The vintage LEGO Technic Gear Block Set 872 (1978) is viewed alongside the 4.5v Motor Set 870 (1977) in a retrospective context, highlighting early Technic functionality. While no strong opinions are voiced, the video focuses on demonstrating the sets' original features.

What the Community Says

2 YouTube reviews
BlockTalk AI Summary

Vintage Lego Technic showcases the set's use in gear reduction, illustrating its purpose as a supplementary set to enhance motorization. The review centers on demonstrating the set's intended functionality within the context of older Technic systems.

Community Content: These reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

Charts Inventory Statistics

9
Unique Parts
77
Total Pieces
0
Minifigures
Inventory Version: 1