How many pieces are in the Supplementary Set?

Supplementary Set contains 24 pieces.

When was the Supplementary Set released?

Supplementary Set was released in 1979.

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No. 877

Expert Builder

Supplementary Set

The Supplementary Set 877-1 is a charming piece of LEGO history.

Time on the shelf Retired

Released Jan 1979

View on eBay

Before you buy

Who it's for: Beginner build Ideal for vintage LEGO collectors and those interested in early Technic builds
Build: 24 pieces · about 0.5 hours Build time is an estimate.
Cost: Budget Next to other LEGO sets. Check the store for today's price.
Availability: Likely retired

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

Collectors appreciate this set as a nostalgic piece of LEGO history, offering a simple introduction to Technic building. Some find the piece selection limited compared to modern sets, but its vintage charm and collectibility make it a worthwhile addition for enthusiasts.

📝 Our Take

The Supplementary Set 877-1 is a charming piece of LEGO history. Released in 1979 under the Expert Builder theme, this small set offers a glimpse into the early days of Technic elements and creative building. Its simplicity is part of its appeal, providing a foundation for imaginative expansions.

This set is perfect for vintage LEGO collectors and Technic enthusiasts. The build is quick and straightforward, making it an enjoyable addition to any collection. Its compact size allows for easy display and storage.

Skip this if you're looking for a complex or highly detailed build. Modern Technic sets like the Bugatti Chiron 42083 offer far more intricate building experiences. This set's value lies in its historical significance.

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What is the historical significance of this set in the Expert Builder theme? How does this set compare to modern Technic starter sets? What factors contribute to the value of this set on the secondary market? What are some creative ways to expand this set using modern LEGO elements?

🧱 Building Experience

🧩

Pieces

⏱

0.5h

Estimated Build Time

📊

Beginner

Difficulty

Build Highlights:

Simple introduction to Technic elements
Quick and easy build
Focus on mechanical functions
Offers creative expansion possibilities

📈 Investment Analysis

↑ Trending up since release

Investment Grade

Retired

The Supplementary Set 877-1 presents an interesting investment opportunity due to its age and rarity. As a vintage set from 1979, it appeals to collectors seeking to complete their classic LEGO collections. The relatively low piece count and original MSRP may make it more accessible to some collectors, but its value is heavily dependent on condition and completeness. The rising price trend suggests increasing demand, but potential investors should be aware of the risks associated with older sets, such as yellowing or brittle parts. Compared to larger, more iconic sets, its potential for exponential growth might be limited, making it a niche investment rather than a mainstream one.

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

⚖ Compare Similar Sets

Motorised Building Set

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🧱

Car Chassis

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Universal Building Set

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Compared to modern Technic starter sets, the Supplementary Set 877-1 is significantly simpler and smaller. Sets like the 42132-1 Motorcycle offer a more contemporary building experience with more advanced Technic elements. However, the 877-1 provides a unique glimpse into the origins of Technic building and appeals to collectors seeking a piece of LEGO history. Its value lies in its rarity and vintage appeal, rather than its complexity or play features.

📦 Parts Inventory

Official piece count: 24
Parts cataloged in this inventory: 12 unique parts, 30 pieces

LEGO counts 24 pieces. This inventory comes from a separate parts catalog and lists 30; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

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

This set contains early Technic elements, including turntable plates and gears, which are valuable for builders interested in vintage LEGO mechanisms. The light gray and red color palette is characteristic of the era, offering a unique aesthetic for MOCs.

🛒 Where to Buy

eBay

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💎 Notable Parts

Light Gray Turntable 2 x 2 Plate - Top (6x)

Red Turntable 2 x 2 Plate, Base (6x)

Light Gray Technic Gear 24 Tooth Crown with Flat Teeth (1x)

Red Plate 1 x 8 (1x)

Light Gray Technic Universal Joint 4L [Complete Assembly] (1x)

💡 MOC Potential

🚗 Small vintage cars or trucks

🤖 Simple robotic arms or mechanisms

🌳 Basic mechanical models of plants or animals

📰 Expert Builder News

From the community

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 summary

The Mercedes-AMG Lego Speed Champions set review highlights the collaborative effort by Mercedes-Benz. This video showcases a positive reception towards the set.

YouTube thumbnail: Mercedes-AMG Lego Speed Champions Tour

Mercedes-AMG Lego Speed Champions Tour Mercedes-Benz · 1.0K views Review

What the Community Says

1 YouTube reviews

BlockTalk summary

The Mercedes-AMG Lego Speed Champions set review highlights the collaborative effort by Mercedes-Benz. This video showcases a positive reception towards the set.