How many pieces are in the Junior Constructor?

Junior Constructor contains 510 pieces.

When was the Junior Constructor released?

Junior Constructor was released in 1961.

🏛 Samsonite

Set #717

Junior Constructor

The Junior Constructor set is a charming piece of LEGO history.

Before you buy

Who it's for: Beginner build Ideal for LEGO enthusiasts interested in vintage sets and open-ended creative building experiences.
Build: 510 pieces · about 4.5 hours Build time is an estimate.
Price: $16.95 list price · 3.3¢ per piece
Availability: Likely retired

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

Collectors appreciate this set's historical significance and large quantity of basic bricks, but note that the value is highly dependent on condition and completeness. Some find the simple building experience less engaging than modern sets.

$16.95

Best Price

$15.26

You Save

10% OFF

📝 Our Take

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

The Junior Constructor set is a charming piece of LEGO history. Released in 1961 under the Samsonite era, it represents a simpler time of LEGO building with classic brick shapes and a focus on open-ended creativity.

This set is perfect for vintage LEGO collectors and those interested in the brand's origins. The large number of basic bricks allows for endless building possibilities, reminiscent of how children first experienced LEGO.

Skip this if you're after modern building techniques or detailed models. Consider modern LEGO Classic sets for similar brick collections with updated designs.

✨ 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 Junior Constructor - building tips, investment potential, comparisons, or anything else!

Try asking:

How does this vintage set compare to modern LEGO Classic sets? What are the best ways to preserve vintage LEGO bricks? Is the original box important for the value of this set? What are some good resources for learning about LEGO history?

🧱 Building Experience

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

🧩

510

Pieces

⏱

4.5h

Estimated Build Time

📊

Beginner

Difficulty

Build Highlights:

Classic brick shapes encourage imaginative construction.
Large quantity of basic bricks allows for diverse models.
Simple, straightforward building experience.
Focus on fundamental LEGO building principles.

📈 Investment Analysis

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

↑ Trending up since release

A-

Investment Grade

⏳ Retired

The Junior Constructor set, given its age and complete piece count, holds significant investment potential. Vintage LEGO sets, especially those from the Samsonite era, are highly sought after by collectors. The rising price trend suggests increasing demand. However, condition is critical - a set in pristine condition with original packaging will command a premium. Risks include potential for fading or damage to the bricks over time. Compared to modern sets, its value is tied more to historical significance than theme popularity.

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

📖 About This Set

510-PC. JUNIOR CONSTRUCTION SET, including many special pieces more corner pieces, longer beams.

⚖ Compare Similar Sets

LEGO Large Creative Brick Box

Compared to modern LEGO Classic sets, the Junior Constructor offers a glimpse into LEGO's past with its simpler brick designs and limited color palette. While modern sets offer more advanced building techniques and specialized pieces, this vintage set provides a unique historical appeal. Collectors might choose this set for its rarity and connection to LEGO's origins, while builders focused on complex models may prefer newer options.

📦 Parts Inventory

Official piece count: 510
Parts cataloged in this inventory: 17 unique parts, 482 pieces

LEGO counts 510 pieces. This inventory comes from a separate parts catalog and lists 482; 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.

Brick 2 x 4 witho...

Part #: 3001a 1× Blue

Brick 2 x 4 witho...

Part #: 3001a 145× Red

Brick 2 x 4 witho...

Part #: 3001a 4× Trans-Clear

Brick 2 x 4 witho...

Part #: 3001a 50× Yellow

Brick 2 x 3 witho...

Part #: 3002a 35× Yellow

Brick 2 x 3 witho...

Part #: 3002a 42× Red

Brick 2 x 2 witho...

Part #: 3003a 17× Red

Brick 2 x 2 witho...

Part #: 3003a 4× Blue

Brick 2 x 2 witho...

Part #: 3003a 25× Yellow

Brick 1 x 1

Part #: 3005 3× Red

Brick 1 x 1

Part #: 3005 6× Yellow

Brick 1 x 1

Part #: 3005 6× Blue

Brick 2 x 10

Part #: 3006 7× Yellow

Part #: 3007 9× Yellow

Brick 1 x 8 witho...

Part #: 3008a 1× Red

Brick 1 x 8 witho...

Part #: 3008a 5× Yellow

Brick 1 x 6 witho...

Part #: 3009a 14× Blue

Brick 1 x 6 witho...

Part #: 3009a 6× Red

Plate 4 x 8 with ...

Part #: 3035a 3× White

Brick Sloped 45° ...

Part #: 3039 2× Red

Brick 1 x 2 witho...

Part #: 3065 26× Blue

Brick 1 x 2 witho...

Part #: 3065 3× Red

Brick 1 x 2 witho...

Part #: 3065 10× Trans-Clear

Brick 1 x 2 witho...

Part #: 3065 25× Yellow

Window 1 x 2 x 2 ...

Part #: 3081bc01 14× White

Door 1 x 2 x 3 Le...

Part #: 32bc01 2× White

Window 1 x 4 x 2 ...

Part #: 453bc01 1× White

Window 1 x 6 x 2 ...

Part #: 646bc01 5× White

Brick 10 x 20 wit...

Part #: 700b 4× Light Gray

Plant, Tree Flat ...

Part #: upn0405 1× HO Dark Green

This set is a treasure trove of classic LEGO bricks in red, yellow, and blue. The large quantity of 2x4 bricks makes it ideal for recreating vintage-style buildings and vehicles.