
Rotary Engine Internal Mechanism 2178PCS
Description
Rotary Engine Internal Mechanism | 2178PCS
Ignite your passion for engineering with the Ultimate Rotary Engine, a large display-scale, fully motorized showcase model that captures the genius of rotary power in motion. Standing over 29cm tall and stretching more than half a meter in length, this masterpiece is built from over 2100 precision parts and designed to impress from every angle.
At its heart, three exposed rotors spin in perfect harmony through a functioning 4-speed manual gearbox. Powered by an L motor and battery box, the entire system comes alive, allowing you to witness the smooth, continuous rhythm that defines rotary engineering.
Mechanical realism is everywhere. From the chrome exhaust manifold and ventilator fan to the throttle, alternator, visible timing chains, and exposed gears, every component is carefully designed to showcase how power flows through a rotary engine with elegance and precision. The naturally aspirated layout, combined with polished chrome details, highlights the beauty of uninterrupted motion.
This is more than a model. It’s a working tribute to one of the most fascinating engine designs ever created—compact, complex, and endlessly captivating.
Build the legend. Watch the rotary revolution come to life with GoBuildIt.
Dimensions:
52cm x 23cm x 29cm
20.5in x 9in x 12in
Key Features:
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Over Half a Meter Long
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Over 29cm Tall
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Over 2100 Pieces
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Fully Motorized Display Model
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Functioning 4-Speed Manual Gearbox
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3 Exposed, Fully Functioning Rotors
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Chrome Pieces for Premium Finish
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Chrome Exhaust Manifold
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Ventilator Fan
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Naturally Aspirated Design
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Exposed Timing Chains
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Visible Gears
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Alternator
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Throttle Mechanism
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Crankshaft & Crankshaft Pulley
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1x Battery Box
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1x L Motor
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GoBuildIt Premium Collector Presentation
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Building Instruction Booklet Included
Shipping & Returns
Free Worldwide Shipping — All orders ship free. Delivery takes 3–10 days.
Returns & Replacements — Contact support@gobuildit.co and we will find the best solution.

No Hidden Fees
What you see is what you pay.

Tracked Delivery
Every order includes full tracking from dispatch to delivery.

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24/7 Customer Support
Fast, friendly assistance whenever you need it .
Built to Be Seen
Rotary Engine Internal
Every detail engineered to reward the builder who demands more. Precision parts, clear instructions, a finish built to display.
🎁 Free mystery gift included with every order
Ready to start your build?
Build It NowBuilt to drive. Built to display. Built to impress.
Precision Engineering
2178 precision pieces — every one numbered, sorted and engineered to fit perfectly.
Mechanical Detail
At 1:32 scale, this build takes around 10–16 hours — detailed enough to challenge, rewarding enough to finish.
Built to Display
At 20.5in x 9in x 12in, this is a statement piece — built to sit on a shelf and start conversations for years.
Why Builders Choose GoBuildIt.
Everything you need to know before starting your build.
Frequently Asked Questions
What's included in the box ?
What's included in the box ?
Each GoBuildIt kit includes all premium bricks, clear digital PDF instructions, and a special gift — everything you need to enjoy a build that brings joy, happiness, and memorable moments, whether you build alone or share the experience with someone you love.
Are instructions included ?
Are instructions included ?
Yes. All GoBuildIt kits come with digital PDF instructions.
They are clear, step-by-step, and optimized for phone, tablet, and desktop — no paper manuals needed.
What if a piece is missing?
What if a piece is missing?
We offer a Missing Piece Guarantee.
If a piece is missing, simply contact our support team and we'll replace it quickly and free of hassle.
Are GoBuildIt kits compatible with other building bricks ?
Are GoBuildIt kits compatible with other building bricks ?
Yes. GoBuildIt bricks are fully compatible with standard building brick systems, allowing you to combine and expand your builds freely.
How difficult are the builds?
How difficult are the builds?
Each product clearly displays its difficulty level.
Our kits are designed to be challenging and rewarding, suitable for both intermediate and experienced builders. Beginners are also welcome with patience and focus.
Are these kits for kids or adults?
Are these kits for kids or adults?
GoBuildIt kits are designed primarily for teens and adults who enjoy detailed, focused builds.
Some kits may be suitable for younger builders with supervision.
Do you ship internationally?
Do you ship internationally?
Yes, we ship worldwide.
Shipping times and costs are displayed at checkout based on your location.
Who can I contact if I need help?
Who can I contact if I need help?
Our support team is available to help before, during, and after your build.
Just reach out through our contact page — we're happy to assist.