How many pieces are in the Supplementary Bricks?

Supplementary Bricks contains 25 pieces.

What age is the Supplementary Bricks recommended for?

This set is recommended for ages 18+.

When was the Supplementary Bricks released?

Supplementary Bricks was released in 1984.

🏛 Basic Set

Set #2309

Supplementary Bricks

Supplementary Bricks is a charming glimpse into LEGO's past.

🏆 Best For: Ideal for toddlers and young children learning basic construction skills. ⏱ 0.5 hr build 🧩 25 pcs

★★★☆☆ 3.8

A nostalgic set that appeals to collectors and parents looking for a simple introduction to LEGO for young children. Fans appreciate the classic Duplo design, but some find the limited piece count restricts building possibilities.

MSRP

$12.99

Best Price

$11.69

You Save

10% OFF

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📝 Our Take

Supplementary Bricks is a charming glimpse into LEGO's past. Released in 1984, this set offers a small but colorful assortment of basic Duplo bricks, perfect for young builders starting their LEGO journey or for adding to an existing collection.

This set is perfect for parents or grandparents looking to introduce young children to the world of LEGO. With its simple design and large, easy-to-handle bricks, it provides a safe and engaging building experience for toddlers.

Skip this if you are an adult collector looking for complex building techniques or intricate designs. This set is aimed at very young children; consider larger Duplo sets or even classic LEGO sets for more advanced building experiences.

✨ New

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How does this vintage Duplo set compare to modern Duplo offerings? What are the best ways to store and preserve vintage LEGO sets like this? Is this set a good starting point for a child's LEGO collection? How can I use these basic bricks to teach my child about colors and shapes?

🧱 Building Experience

🧩

Pieces

⏱

0.5h

Build Time

📊

Beginner

Difficulty

Build Highlights:

Simple and straightforward building experience perfect for small hands
Focus on color recognition and basic shapes
Encourages creativity and free-form building
Durable Duplo bricks designed to withstand rough play

📈 Investment Analysis

↑ Trending up since release

C+

Investment Grade

⏳ Appreciating

As a vintage Duplo set from 1984, Supplementary Bricks has some potential as a collector's item. Its value is primarily driven by its age and the nostalgia factor. While not a high-growth investment, its value has been steadily rising, and complete, unopened sets could command a premium. The limited piece count and basic nature of the set, however, temper its investment potential.

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

⚖ Compare Similar Sets

Creative Suitcase

Duplo • 65 pcs

$19.99

Building Bigger Together

Duplo • 69 pcs

$59.99

Fire Helicopter and Car

Duplo • 19 pcs

$19.99

Supplementary Bricks offers a basic introduction to LEGO building, similar to other starter Duplo sets. However, its vintage status and simple brick selection set it apart from modern Duplo sets that often include more specialized pieces and play features. Consider modern Duplo sets like the Creative Suitcase (10913-1) for a wider variety of building options, or stick with this for a taste of classic LEGO.

📦 Full Parts Inventory - 5 unique parts • 25 total pieces

Duplo Brick 2 x 4

Part #: 3011 2× Green

Duplo Brick 2 x 4

Part #: 3011 2× Blue

Duplo Brick 2 x 4

Part #: 3011 3× Yellow

Part #: 3437 3× Yellow

Duplo Brick 2 x 2

Part #: 3437 3× Red

Duplo Brick 2 x 2

Part #: 3437 2× Green

Duplo Brick 2 x 6...

Part #: 4197 1× Yellow

Duplo Brick 2 x 4...

Part #: 4198 1× Green

Duplo Brick 2 x 4...

Part #: 4198 1× Red

Duplo Brick 2 x 8

Part #: 4199 1× Yellow

Duplo Brick 2 x 8

Part #: 4199 1× Red

This set features a classic assortment of basic Duplo bricks in primary colors. While none of the parts are particularly rare, the set provides a good starting point for a Duplo collection and offers a variety of shapes and sizes for simple building projects.

🛒 Where to Buy

eBay

✓ In Stock

$11.69 →

Walmart

✓ In Stock

$12.34

Target

✓ In Stock

$12.99

Amazon

Check price

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💎 Notable Parts

Red Duplo Brick 2 x 8 (1x) $0.75

Yellow Duplo Brick 2 x 6 x 2 with Curved Ends (1x) $0.60

Green Duplo Brick 2 x 4 x 2 Rounded Ends (1x) $0.50

Yellow Duplo Brick 2 x 8 (1x) $0.75

Red Duplo Brick 2 x 4 x 2 Rounded Ends (1x) $0.50

Est. BrickLink Part Value

$3.10

💡 MOC Potential

🏰 Simple castle walls and towers

🚗 Basic cars and trucks for toddlers

🌳 Colorful trees and simple animal figures

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

The LEGO Group's official channel revealed the 2021 UCS Republic Gunship in a short promotional video. The video focuses on the unveiling of the set and includes a designer interview.

LEGO Star Wars Set Reveal! 2021 | Exclusive LEGO Star Wars Unboxing & Designer Interview

LEGO • 5.0K views Unboxing

What the Community Says

1 YouTube reviews

BlockTalk AI Summary

The LEGO Group's official channel revealed the 2021 UCS Republic Gunship in a short promotional video. The video focuses on the unveiling of the set and includes a designer interview.

Reddit Reviews

No Reddit reviews found

YouTube Reviews

1 video

LEGO Star Wars Set Reveal! 2021 | Exclusive LEGO Star Wars Unboxing & Designer Interview

LEGO

5.0K views Unboxing

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

Inventory Statistics

Unique Parts

Total Pieces

Minifigures

Inventory Version: 1

Back to Basics!
Vintage DUPLO Fun

Supplementary Bricks