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The Inventor's Windmill

The Inventor's Windmill

por Mostarle
Ahorre 20% Ahorre 20%
$249.99
$249.99 - $249.99
$249.99
$199.99
$199.99 - $199.99
$199.99

Pre-Order Now & Save $50

Secure The Inventor’s Windmill before its official release and receive an exclusive $50 pre-order discount.

Pre-orders are expected to begin shipping on August 15, 2026.

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What’s included
Step-by-step Instruction Manual
1× Assembly Kit
1× Needle-nose pliers
1× Dual-head screwdriver

Can I really build this model myself?

Absolutely! Thousands of first-timers have completed their first build with Mostarle kits — and loved every minute of it. Each kit comes with a step-by-step printed manual and all the tools you need. No experience? No problem. We’ve pre-sorted the parts and included beginner-friendly instructions to guide you piece by piece. You’ve got this.

Customer Support

If you have any questions, suggestions, or need assistance, please don't hesitate to reach out to our support team. You can contact us at:

Email: Support@mostarle.com

We look forward to hearing from you and will respond to your inquiries as soon as possible. Thank you for your support of Mostarle!

12+


Ages

338


Pieces

8 hour


Assembly time

★★★★★


Difficulty

H: 11.81" (30cm)

W: 3.15" (8cm)

L: 5.12" (13cm)


Dimensions

Every Movement, Expose

Follow the motion through visible gears, rotating flywheels, belt drives, and articulated linkages. Nothing is hidden—the beauty lies in seeing how every part works together.

A Rhythm of Rotation

At the top of the mechanism, four sails transform transmitted motion into a steady, mesmerizing rotation—the defining silhouette of The Inventor’s Windmill.

Image with text

Build the Machine. Understand the Motion.

Assemble the mechanism piece by piece, discover how each component interacts, and experience the satisfaction of bringing the entire system to life.

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Built for the Desk. Made for the Collection.

More than a model, it is a kinetic centerpiece for a study, office, workshop, or display shelf—designed for those who appreciate how things work.

Share a photo of your favorite Mostarle creations, we’d love to see how you've made it your own. Mention on your Instagram posts to get your photo featured in our showcase.

Bring engineering, craftsmanship, and motion together with The Inventor’s Windmill.

This intricate DIY kinetic model features an exposed transmission system where gears, belts, shafts, and four windmill sails move together in a captivating mechanical performance.

With 338 individual pieces, every stage of the build offers an engaging hands-on challenge. Assemble the mechanism piece by piece, explore how motion travels through the system, and experience the satisfaction of bringing the entire structure to life.

Once completed, The Inventor’s Windmill becomes a striking kinetic centerpiece—perfect for a desk, shelf, workshop, or mechanical collection.

Specifications

Recommended Age: 14+
Pieces: 338
Estimated Assembly Time: 8 hours
Difficulty: ★★★★★

Dimensions:
L: 5.12 in (130 mm)
W: 3.15 in (80 mm)
H: 11.81 in (300 mm)

Weight: 2.24 lb (1,015.5 g)

Frequently Asked Questions

Does the finished model actually move?

Yes. Once correctly assembled and powered on, the gears, belts, shafts, and windmill sails move together as one interconnected mechanical system.

The exposed mechanism allows you to follow every stage of motion as it travels from the lower drive system to the rotating sails.

How is the model powered?

The windmill-inspired sails are driven by the model’s internal mechanical transmission system rather than by natural wind.

The model is powered by USB power.

How difficult is it to assemble?

The Inventor’s Windmill has a difficulty rating of 5 out of 5 and contains 338 pieces.

It is best suited to experienced builders and patient beginners looking for a substantial mechanical challenge. Careful alignment of the gears, belts, and moving components is essential for smooth operation.

How long does assembly take?

The estimated assembly time is approximately 8 hours.

Actual build time may vary depending on your experience and working pace. The project can be completed over several sessions, making it an engaging and rewarding long-form build.

Are tools, glue, or soldering required?

All essential assembly tools are included in the box. No glue or soldering is required—the model is assembled using screws, fasteners, shafts, and fitted mechanical components.

What is included in the box?

The package includes:

  • 338 model components
  • Mechanical transmission parts
  • Windmill sails and wooden base components
  • [Motor and power components]
  • [Assembly tools]
  • Illustrated instruction manual
  • [Spare screws and small parts]

Everything is organized and protected to help you begin the build with confidence.

Is assembly support available?

Yes. The kit includes a step-by-step illustrated instruction manual in English

If you need additional help, you can contact our support team at support@mostarle.com. [Digital instructions / assembly videos] are also available [through the QR code included in the box / on our support page].

What if a part is missing or damaged?

Contact us with your order number, the part number shown in the manual, and a clear photo of the issue.
We will help identify the component and arrange a replacement when applicable. Parts found missing or damaged upon delivery will be replaced free of charge.