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Get $20 off The Inventor’s Windmill — use code WM20.
Get $20 off The Inventor’s Windmill — use code WM20.

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Original price $79.99 - Original price $79.99
Original price
$79.99
$79.99 - $79.99
Current price $79.99

Nebulipedes

Difficulty
Advanced · Best for experienced builders
Build time
9 hours
Pieces
746
In stock

Original price $79.99 - Original price $79.99
Original price
$79.99
$79.99 - $79.99
Current price $79.99
Original price $39.99 - Original price $39.99
Original price
$39.99
$39.99 - $39.99
Current price $39.99

Dragonfly

Difficulty
Beginner
Build time
1.5 hours
Pieces
155
In stock

Mostarle invites you to capture the essence of flight with this 155-piece dragonfly model, designed to showcase the brilliant, ever-changing shimme...

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Original price $39.99 - Original price $39.99
Original price
$39.99
$39.99 - $39.99
Current price $39.99
Original price $104.99 - Original price $104.99
Original price
$104.99
$104.99 - $104.99
Current price $104.99

Cyberpunk Plasma Ball Spider

Difficulty
Advanced · Best for experienced builders
Build time
8 hours
Pieces
650+
In stock

🛡️97% Verified Buyers Recommend✔️4+ Star Satisfaction GuaranteeOnly Authentic Reviews Displayed🔹Join 1000+ Smart Buyers – Build Your Trusted Collec...

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Original price $104.99 - Original price $104.99
Original price
$104.99
$104.99 - $104.99
Current price $104.99
Original price $59.99 - Original price $59.99
Original price
$59.99
$59.99 - $59.99
Current price $59.99

Hercules Beetle

Difficulty
Intermediate
Build time
3 hours
Pieces
418
In stock

Original price $59.99 - Original price $59.99
Original price
$59.99
$59.99 - $59.99
Current price $59.99
Original price $79.99 - Original price $79.99
Original price
$79.99
$79.99 - $79.99
Current price $79.99

Emerald Mantis

Difficulty
Intermediate
Build time
4 hours
Pieces
352
In stock

Mostarle invites you to assemble this fierce, cybernetic mantis, a stunning blend of nature-inspired design and futuristic engineering. With its sh...

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Original price $79.99 - Original price $79.99
Original price
$79.99
$79.99 - $79.99
Current price $79.99
Original price $89.99 - Original price $89.99
Original price
$89.99
$89.99 - $89.99
Current price $89.99

Terminator M – 3D Metal Model

Difficulty
Intermediate
Build time
2 hours
Pieces
299
In stock

Mostarle challenges you to build TERMINATOR M, a mechanical masterpiece inspired by the raw power of industrial engineering. With its brutalist exo...

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Original price $89.99 - Original price $89.99
Original price
$89.99
$89.99 - $89.99
Current price $89.99
Original price $49.80 - Original price $49.80
Original price
$49.80
$49.80 - $49.80
Current price $49.80

Crystal Lamp Jumping Spider

Difficulty
Beginner
Build time
1 hour
Pieces
220
In stock

Mostarle challenges you to build this futuristic Jumping Spider, a bold fusion of mechanical precision and cyberpunk aesthetics. With 220 intricate...

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Original price $49.80 - Original price $49.80
Original price
$49.80
$49.80 - $49.80
Current price $49.80
Original price $59.99 - Original price $59.99
Original price
$59.99
$59.99 - $59.99
Current price $59.99

Hammerhead Shark

Difficulty
Intermediate
Build time
4 hours
Pieces
292
In stock

Original price $59.99 - Original price $59.99
Original price
$59.99
$59.99 - $59.99
Current price $59.99
ABOUT MOSTARLE

Mechanical model kits, built by you

Choose a design, understand the challenge, and bring the parts together at your own pace.

BUILD

A focused, hands-on experience.

DISCOVER

Mechanical details revealed piece by piece.

DISPLAY

Finish with something you built yourself.

CHOOSE WITH CONFIDENCE

Know the build before you start

Product pages show the facts you need to choose confidently.

DIFFICULTY

Check the skill level before you begin.

BUILD TIME

Choose a project that fits the time you want to spend.

PIECE COUNT

See the scale and level of detail in each build.

REQUIREMENTS

A screwdriver and needle-nose pliers are included.

THE BUILD EXPERIENCE

From first piece to final display

See the process, find the product guide, and get help when you need it.

1. ORGANIZE

Review the guide and prepare the parts.

2. ASSEMBLE

Bring the structure together step by step.

3. CHECK

Review the mechanism and work through difficult steps.

4. DISPLAY

Finish with a model you brought to life.

OUR BELIEF

Every screw. A new turn.

A screw may seem small on its own. But with every turn, separate pieces begin to connect—and something remarkable starts to take shape.

Piece by piece. Turn by turn. Build what comes next.

MOSTARLE COMMUNITY

See what's being built

Builds, details and finished models shared by the community.

SUPPORT

Supported through the whole build

A difficult step or missing component should not have to end your build.

Questions before your first build

What is a mechanical model kit?

A hands-on kit made from separate components that you assemble into a finished mechanical display. Features and requirements vary by product.

Are these suitable for beginners?

Difficulty varies. Check each product's difficulty, estimated build time, piece count and requirements before choosing.

Are tools included?

Box contents vary by product. Check the product page for included tools and additional requirements.

What if a part is missing?

Use our replacement-parts page to send the order, product and part information for review.

YOUR NEXT BUILD

What will you build next?

Choose the design, difficulty and estimated build time that feel right for you.

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