How many pieces are in the Green City Challenge Set?

Green City Challenge Set contains 1,365 pieces.

When was the Green City Challenge Set released?

Green City Challenge Set was released in 2011.

🏛 Mindstorms

Set #9594

Green City Challenge Set

The Green City Challenge Set is a unique educational tool disguised as a LEGO set.

Before you buy

Who it's for: Intermediate build Ideal for students and educators interested in robotics and programming, and LEGO enthusiasts who enjoy technical builds with practical applications.
Build: 1,365 pieces · about 4.5 hours Build time is an estimate.
Price: $245.99 list price · 18.0¢ per piece
Availability: Likely retired

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

Users appreciate the set's educational value and its ability to teach robotics and programming concepts in a fun and engaging way. However, some find the building models less exciting compared to traditional LEGO sets and note that the set's value is primarily as an educational tool rather than a display piece.

$245.99

Best Price

$221.39

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📝 Our Take

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

The Green City Challenge Set is a unique educational tool disguised as a LEGO set. Released under the Mindstorms theme, it focused on teaching robotics and programming concepts through real-world scenarios, a departure from typical LEGO sets focused on display or play.

This set is perfect for educators and parents looking to introduce STEM concepts. With its multiple training mats and challenge models, it provides a hands-on learning experience that encourages problem-solving and creativity, making it an engaging way to learn about renewable energy and sustainable city planning.

Skip this if you are looking for a traditional LEGO building experience or display piece. The set's primary focus is educational, and its building models are designed to facilitate learning rather than showcase intricate designs. Consider the LEGO Education SPIKE Prime Set (45678-1) for a more modern robotics learning experience.

✨ New

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🧱 Building Experience

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

🧩

1,365

Pieces

⏱

4.5h

Estimated Build Time

📊

Intermediate

Difficulty

Build Highlights:

Learning programming through real-world challenges
Building models of renewable energy sources like wind turbines and dams
Using Technic elements to create functional mechanisms
Applying skills acquired through training on the challenge mat

📈 Investment Analysis

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

→ Price stable

B-

Investment Grade

⏳ Retired

The Green City Challenge Set is a retired educational set with a focus on robotics and programming. Its investment potential lies in its unique purpose and the limited availability of educational LEGO sets on the secondary market. While not as sought after as licensed themes, its value could appreciate among collectors interested in STEM-related LEGO products and those seeking complete educational sets. However, the price appreciation may be slower and less dramatic compared to sets with broader appeal or exclusive minifigures. Keeping the set complete with all training mats and components is crucial for maximizing its value.

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

📖 About This Set

The Green City Challenge Set contains three training mats, a challenge mat, and more than 1,300 elements for building the challenge models, such as a power plant, wind turbine, and dam. The training mats provide a field where students can test and practice their programming skills. The challenge mat offers a real-life setting for solving different missions so students can apply the skills acquired through the training.

Playmat Windmill

⚖ Compare Similar Sets

LEGO Education SPIKE Prime Set

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$329.95

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LEGO MINDSTORMS Education EV3 Core Set

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$369.95

Compared to other Mindstorms sets, the Green City Challenge focuses more on environmental themes and real-world applications. While sets like LEGO MINDSTORMS Robot Inventor (51515-1) offer more advanced robotics capabilities, the Green City Challenge provides a unique educational experience centered around sustainability and urban planning. The SPIKE Prime set is also a good comparison, offering a more modern approach to STEM learning with LEGO.

1 Minifigure Included

White Torso, Blue Overall, Reddish Brown Hair

4 parts

C+

The set includes a single minifigure with a white torso, blue overalls, and reddish-brown hair. This figure is not particularly rare or exclusive, serving primarily as a generic character within the set's educational context.

📦 Parts Inventory

Official piece count: 1,365
Parts cataloged in this inventory: 140 unique parts, 1,352 pieces
Minifigures: 1

LEGO counts 1,365 pieces. This inventory comes from a separate parts catalog and lists 1,356, including the 4 parts inside the minifigures; 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 2 Corner

Part #: 2357 7× Reddish Brown

Wedge Plate 3 x 6...

Part #: 2419 6× Dark Bluish Gray

Brick 2 x 6

Part #: 2456 2× Reddish Brown

Brick 2 x 6

Part #: 2456 16× Dark Bluish Gray

Brick Wedged 3 x ...

Part #: 2462 20× Light Bluish Gray

Brick 1 x 16

Part #: 2465 1× Red

Technic Brick 1 x...

Part #: 2730 4× Light Bluish Gray

Technic Pin with ...

Part #: 2780 41× Black

Brick 2 x 4

Part #: 3001 14× Dark Bluish Gray

Brick 2 x 4

Part #: 3001 3× Medium Blue

Brick 2 x 4

Part #: 3001 4× Red

Brick 2 x 4

Part #: 3001 10× Reddish Brown

Brick 2 x 4

Part #: 3001 2× Lime

Brick 2 x 4

Part #: 3001 1× Yellow

Brick 2 x 4

Part #: 3001 6× Light Bluish Gray

Brick 2 x 3

Part #: 3002 5× Dark Bluish Gray

Brick 2 x 3

Part #: 3002 4× Medium Blue

Brick 2 x 3

Part #: 3002 10× Reddish Brown

Brick 2 x 3

Part #: 3002 8× Light Bluish Gray

Brick 2 x 2

Part #: 3003 3× Green

Brick 2 x 2

Part #: 3003 11× Light Bluish Gray

Brick 2 x 2

Part #: 3003 12× Dark Tan

Brick 2 x 2

Part #: 3003 8× Black

Brick 2 x 2

Part #: 3003 13× Reddish Brown

Brick 1 x 2

Part #: 3004 13× Yellow

Brick 1 x 2

Part #: 3004 29× Medium Blue

Brick 1 x 2

Part #: 3004 8× Light Bluish Gray

Brick 1 x 2

Part #: 3004 8× Red

Brick 1 x 2

Part #: 3004 18× Dark Bluish Gray

Brick 1 x 2

Part #: 3004 12× Dark Tan

Brick 1 x 2

Part #: 3004 10× Orange

Part #: 3005 4× Yellow

Brick 1 x 1

Part #: 3005 4× Blue

Brick 1 x 1

Part #: 3005 16× Medium Blue

Brick 1 x 1

Part #: 3005 5× Orange

Brick 1 x 1

Part #: 3005 7× Red

Brick 1 x 1

Part #: 3005 6× Dark Green

Brick 2 x 10

Part #: 3006 1× Light Bluish Gray

Brick 1 x 6

Part #: 3009 8× Yellow

Brick 1 x 6

Part #: 3009 5× Black

Part #: 3009 11× Dark Bluish Gray

Brick 1 x 4

Part #: 3010 7× Reddish Brown

Brick 1 x 4

Part #: 3010 3× Lime

Brick 1 x 4

Part #: 3010 14× Dark Bluish Gray

Brick 1 x 4

Part #: 3010 5× Red

Brick 1 x 4

Part #: 3010 10× Medium Blue

Brick 1 x 4

Part #: 3010 4× Yellow

Brick 1 x 4

Part #: 3010 6× Black

Plant, Round 1 x ...

Part #: 30176 4× Green

Plate 2 x 3

Part #: 3021 2× Light Bluish Gray

Plate 2 x 2

Part #: 3022 6× Dark Bluish Gray

Plate 2 x 2

Part #: 3022 5× Orange

Plate 2 x 2

Part #: 3022 4× Reddish Brown

Plate 1 x 2

Part #: 3023 16× Medium Blue

Plate 1 x 2

Part #: 3023 19× Green

Plate 6 x 16

Part #: 3027 2× Light Bluish Gray

Plate 4 x 12

Part #: 3029 5× Dark Bluish Gray

Plate 4 x 12

Part #: 3029 2× Green

Plate 4 x 4

Part #: 3031 2× Green

Plate 4 x 6

Part #: 3032 2× Blue

Plate 6 x 10

Part #: 3033 1× Yellow

Plate 6 x 10

Part #: 3033 1× Black

Plate 2 x 8

Part #: 3034 5× Light Bluish Gray

Plate 2 x 8

Part #: 3034 2× Yellow

Plate 2 x 8

Part #: 3034 2× Black

Plate 2 x 8

Part #: 3034 3× White

Plate 4 x 8

Part #: 3035 2× Red

Plate 4 x 8

Part #: 3035 2× Dark Bluish Gray

Plate 6 x 8

Part #: 3036 7× Dark Bluish Gray

Plate 6 x 8

Part #: 3036 1× Red

Brick Sloped 18° ...

Part #: 30363 8× Dark Bluish Gray

Brick Sloped 45° ...

Part #: 3037 6× Light Bluish Gray

Brick Sloped 45° ...

Part #: 3038 32× Black

Brick Sloped 45° ...

Part #: 3039 5× Dark Bluish Gray

Brick Sloped 45° ...

Part #: 3040b 2× Dark Bluish Gray

Brick Sloped 45° ...

Part #: 3040b 4× Light Bluish Gray

Brick Sloped 45° ...

Part #: 3043 12× Black

Brick Sloped 45° ...

Part #: 3045 1× Dark Bluish Gray

Brick Sloped 45° ...

Part #: 3045 8× Light Bluish Gray

Brick Round 1 x 1...

Part #: 3062b 6× Reddish Brown

Brick 1 x 2 witho...

Part #: 3065 42× Trans-Dark Blue

Tile 2 x 2 with G...

Part #: 3068b 11× Yellow

Tile 2 x 2 with G...

Part #: 3068b 11× Black

Tile 1 x 2 with G...

Part #: 3069b 5× Dark Blue

Tile 1 x 2 with G...

Part #: 3069b 25× Trans-Dark Blue

Technic Brick 1 x...

Part #: 32000 10× Dark Bluish Gray

Technic Pin 3/4

Part #: 32002 13× Dark Bluish Gray

Technic Axle and ...

Part #: 32013 3× Light Bluish Gray

Technic Axle and ...

Part #: 32013 3× Red

Technic Brick 1 x...

Part #: 32018 10× Light Bluish Gray

Technic Axle and ...

Part #: 32034 2× Black

Technic Axle Conn...

Part #: 32039 3× Red

Technic Pin Long ...

Part #: 32054 6× Black

Technic Axle 2 No...

Part #: 32062 9× Red

Technic Beam 1 x ...

Part #: 32065 6× Yellow

Technic Axle 5

Part #: 32073 6× Light Bluish Gray

Technic Bush 1/2 ...

Part #: 32123b 11× Yellow

Technic Plate Rot...

Part #: 32125 1× Light Bluish Gray

Technic Beam 2 x ...

Part #: 32140 2× Light Bluish Gray

Technic Beam 2 x ...

Part #: 32140 2× Red

Technic Axle and ...

Part #: 32184 2× Black

Technic Beam 3 x ...

Part #: 32250 2× Dark Bluish Gray

Technic Gear 12 T...

Part #: 32270 9× Black

Technic Beam 1 x ...

Part #: 32278 2× White

Technic Beam 1 x ...

Part #: 32278 2× Light Bluish Gray

Technic Beam 1 x ...

Part #: 32316 2× White

Technic Beam 1 x ...

Part #: 32316 3× Red

Technic Beam 1 x ...

Part #: 32316 2× Black

Technic Ball Joint

Part #: 32474 1× Black

Technic Gear 36 T...

Part #: 32498 2× Black

Technic Beam 1 x ...

Part #: 32523 3× Red

Technic Beam 1 x ...

Part #: 32524 3× Light Bluish Gray

Technic Beam 1 x ...

Part #: 32525 2× White

Technic Beam 3 x ...

Part #: 32526 4× Black

Technic Pin Long ...

Part #: 32556 4× Tan

Brick Sloped 33° ...

Part #: 3298 9× Dark Bluish Gray

Brick Sloped 33° ...

Part #: 3298 13× Red

Plate 1 x 8

Part #: 3460 5× Dark Bluish Gray

Plate 1 x 8

Part #: 3460 2× Light Bluish Gray

Plate 1 x 8

Part #: 3460 1× Green

Brick 1 x 3

Part #: 3622 2× Black

Brick 1 x 3

Part #: 3622 3× Yellow

Brick 1 x 3

Part #: 3622 20× Dark Bluish Gray

Brick 1 x 3

Part #: 3622 9× Reddish Brown

Brick 1 x 3

Part #: 3622 1× Light Bluish Gray

Brick 1 x 3

Part #: 3622 2× Red

Technic Gear 24 T...

Part #: 3648b 4× Dark Bluish Gray

Technic Gear 40 T...

Part #: 3649 2× Light Bluish Gray

Plate 1 x 6

Part #: 3666 2× Light Bluish Gray

Plate 1 x 6

Part #: 3666 10× Dark Bluish Gray

Plate 1 x 6

Part #: 3666 4× Yellow

Plate 1 x 6

Part #: 3666 4× Black

Technic Pin witho...

Part #: 3673 10× Light Bluish Gray

Brick Sloped 75° ...

Part #: 3684 2× Yellow

Brick Sloped 75° ...

Part #: 3684 2× Black

Technic Brick 1 x...

Part #: 3700 5× Reddish Brown

Technic Brick 1 x...

Part #: 3700 23× Light Bluish Gray

Technic Brick 1 x...

Part #: 3701 2× Light Bluish Gray

Technic Brick 1 x...

Part #: 3702 3× Light Bluish Gray

Technic Brick 1 x...

Part #: 3703 3× Light Bluish Gray

Technic Axle 4

Part #: 3705 9× Black

Technic Axle 6

Part #: 3706 4× Black

Technic Axle 8

Part #: 3707 2× Black

Technic Plate 2 x...

Part #: 3709 2× Red

Technic Plate 2 x...

Part #: 3709 8× Dark Bluish Gray

Plate 1 x 4

Part #: 3710 11× Yellow

Plate 1 x 4

Part #: 3710 7× Black

Plate 1 x 4

Part #: 3710 10× Dark Bluish Gray

Technic Bush

Part #: 3713 4× Light Bluish Gray

Technic Axle 10

Part #: 3737 2× Black

Technic Plate 2 x...

Part #: 3738 1× Red

Plant, Flower Stem

Part #: 3741 1× Green

Plant, Flower - S...

Part #: 3742 3× White

Technic Axle Pin ...

Part #: 3749 8× Tan

Plate 2 x 6

Part #: 3795 3× Black

Plate 2 x 6

Part #: 3795 3× Yellow

Plate 2 x 6

Part #: 3795 4× Light Bluish Gray

Plate 2 x 6

Part #: 3795 1× Dark Bluish Gray

Plate 2 x 6

Part #: 3795 1× Blue

Plate 2 x 10

Part #: 3832 2× Light Bluish Gray

Technic Brick 1 x...

Part #: 3894 10× Light Bluish Gray

Technic Brick 1 x...

Part #: 3894 1× Red

Technic Brick 1 x...

Part #: 3895 4× Light Bluish Gray

Hinge Brick 1 x 2...

Part #: 3937 2× Light Bluish Gray

Brick Round 2 x 2...

Part #: 3941 2× Red

Brick Round 2 x 2...

Part #: 3941 2× Black

Brick Round 2 x 2...

Part #: 3941 12× Trans-Neon Green

Brick Round 2 x 2...

Part #: 3941 1× White

Brick Round 2 x 2...

Part #: 3941 1× Yellow

Plate 6 x 6

Part #: 3958 2× Reddish Brown

Plate 6 x 6

Part #: 3958 1× Dark Bluish Gray

Technic Beam 1 x ...

Part #: 40490 13× Light Bluish Gray

Tile Round 2 x 2 ...

Part #: 4150 1× White

Tile Round 2 x 2 ...

Part #: 4150 1× Black

Plate 8 x 8

Part #: 41539 1× Dark Bluish Gray

Brick Sloped 33° ...

Part #: 4161 2× Black

Tile 1 x 8 with G...

Part #: 4162 9× White

Tile 1 x 8 with G...

Part #: 4162 3× Red

Technic Beam 1 x ...

Part #: 41677 12× Black

Technic Beam 1 x ...

Part #: 41677 6× Red

Wedge Plate 4 x 2...

Part #: 41769 3× White

Wedge Plate 4 x 2...

Part #: 41770 3× White

Technic Wedge Bel...

Part #: 4185 2× Light Bluish Gray

Technic Axle and ...

Part #: 42003 3× Light Bluish Gray

Brick Sloped 33° ...

Part #: 4286 1× Dark Bluish Gray

Technic Axle 7

Part #: 44294 2× Light Bluish Gray

Plate 1 x 10

Part #: 4477 2× Blue

Plate 1 x 10

Part #: 4477 2× Dark Bluish Gray

Technic Axle 3

Part #: 4519 12× Light Bluish Gray

Minifig Neckwear ...

Part #: 4523 1× Reddish Brown

Technic Axle 32

Part #: 50450 1× Black

Technic Axle 16

Part #: 50451 2× White

Technic Axle Conn...

Part #: 59443 7× Yellow

Technic Axle Conn...

Part #: 59443 2× Light Bluish Gray

Technic Axle Conn...

Part #: 59443 3× Black

Brick Sloped 18° ...

Part #: 60477 8× Dark Bluish Gray

Technic Beam 3 x ...

Part #: 60484 2× Light Bluish Gray

Window 1 x 2 x 2 ...

Part #: 60592 10× White

Window 1 x 2 x 3 ...

Part #: 60593 5× White

Door Frame 1 x 4 ...

Part #: 60596 1× White

Door 1 x 4 x 6 wi...

Part #: 60623 1× White

Brick 1 x 10

Part #: 6111 3× Dark Bluish Gray

Brick 1 x 10

Part #: 6111 4× Black

Brick 1 x 10

Part #: 6111 4× Yellow

Brick 1 x 10

Part #: 6111 2× Red

Brick 1 x 12

Part #: 6112 1× Light Bluish Gray

Hinge Brick 2 x 2...

Part #: 6134 2× Light Bluish Gray

Plate Round 1 x 1...

Part #: 6141 1× Blue

Plate Round 1 x 1...

Part #: 6141 11× Lime

Plate Round 1 x 1...

Part #: 6141 8× Red

Plate Special 4 x...

Part #: 6179 3× Black

Plate Special 4 x...

Part #: 6179 3× Yellow

Brick Round 4 x 4...

Part #: 6222 1× Light Bluish Gray

Brick 2 x 2 witho...

Part #: 6223 10× Trans-Dark Blue

Technic Pin Conne...

Part #: 62462 6× Red

Technic Panel Fai...

Part #: 64391 1× White

Technic Panel Fai...

Part #: 64683 1× White

Technic Brick 1 x...

Part #: 6541 8× Light Bluish Gray

Technic Pin Long ...

Part #: 6558 10× Blue

Technic Cam

Part #: 6575 4× Dark Bluish Gray

Technic Axle 3 wi...

Part #: 6587 1× Dark Tan

Technic Gear 12 T...

Part #: 6589 2× Tan

Technic Pin with ...

Part #: 6628 4× Black

Technic Beam 1 x ...

Part #: 6632 6× White

Tile 1 x 6 with G...

Part #: 6636 1× Red

Tile 1 x 6 with G...

Part #: 6636 2× Yellow

Tile 1 x 6 with G...

Part #: 6636 2× Black

Support 2 x 2 x 1...

Part #: 75347 1× White

Support 2 x 2 x 1...

Part #: 75347 1× Black

Hose, Ribbed 7mm ...

Part #: 78c11 4× Flat Silver

Technic Rubber Be...

Part #: 85546 2× Yellow

Technic Axle 4 wi...

Part #: 87083 2× Dark Bluish Gray

Plate 8 x 16

Part #: 92438 2× Light Bluish Gray

The set contains a good selection of Technic parts and basic bricks in useful colors like Light Bluish Gray, Dark Bluish Gray, and Black, making it a decent source for MOC builders interested in creating functional models and mechanisms. The trans-dark blue elements are also useful for water features.