The TECHING 1/12 Scale Dual Spool Cutaway Turbofan Engine Model Kits Build your Own Jet Engine Kit That Runs 300+pcs DM121 is a 1/12 Turbofan & Jet Engine precision-engineered by TECHING. Features construction machined from aluminum alloy + zinc alloy. Available for $399.99 USD with free worldwide tracked shipping, 30-day returns, and replacement parts support at Stirlingkit.
✓Free Worldwide Shipping: Tracked air delivery in 5–14 business days.
✓Missing Parts Guarantee: Free replacement parts dispatched within 7 days.
✓30-Day Risk-Free Returns: Full refund on unbuilt kits in original box.
Technical Specifications
19 Verified Parameters
Product Name
Turbofan Engine Model Kit
Brand
TECHING×SKYMECHMAN
Model Number
DM121
Material
Aluminum Alloy + Zinc Alloy
Scale
1/12
Number Of Parts
300+PCS
Drive Mode
motor drive
Power Supply
3.7V 800mAh lithium battery
Charging Cable
DC 5V USB cable
Charging Time
2h
Endurance Time
30 mins (Fully Charged)
Assembly Time
2h+
Assembly Difficulty
★★★☆☆
Product Weight
2800g
Package Weight
3800g
Product Dimensions
31.2 x 16.7 x 18.8cm
Package Dimensions
33.5 x 23.6 x 15cm
Packing
Gift box with top and bottom lid
Ages
16+
Features, Architecture & Package Contents
TECHING 1/12 Scale Dual Spool Cutaway Turbofan Engine Model Kits Build your Own Jet Engine Kit That Runs 300+pcs DM121
Features:
.Realistic Replication with Precision Engineering: Faithfully recreated at a 1/12 scale, this model replicates the intricate internal structure of a real turbofan engine with over 300 precision components. It’s a masterpiece of mechanical detail, making it the perfect choice for aviation enthusiasts and model collectors. .Sturdy All-Metal Construction: Made primarily from high-strength aluminum and zinc alloys, the model features excellent corrosion resistance and structural durability. The metallic finish highlights industrial aesthetics, making it both a hands-on mechanical toy and a premium collectible display piece. .Motorized for Realistic Operation: Equipped with an internal electric motor and rechargeable lithium battery, the engine simulates realistic jet turbine movement. More than just a static model, it’s a fully functional display that brings the turbine to life with motion and power. .Educational DIY Experience: Designed for hands-on assembly, this kit enhances logical thinking, focus, and mechanical understanding. A perfect STEM educational tool for both kids and adults, it introduces the fundamentals of aerospace engineering through engaging, interactive learning. .Crafted Gift with Lasting Value: Comes complete with assembly tools and a detailed instruction manual for a smooth building experience. Elegantly packaged, it's an impressive and thoughtful gift for engineers, students, aviation lovers, and hobbyists—offering both practical enjoyment and collectible value. Product Story: In the fascinating world of aerospace technology, the turbofan engine stands as a symbol of mechanical beauty and engineering marvel. The TECHING × SKYMECHMAN team, driven by a passion for aviation mechanics, has distilled the wisdom and ingenuity of human aviation history into this finely crafted model—the all-new DM121 Turbofan Engine Model Kit. Compared to the more complex DM119, the DM121 is thoughtfully designed for aviation enthusiasts and beginners, offering a hands-on gateway to explore the very “heart of flight.” With over 300 precision parts to disassemble and reassemble, users will experience the raw tactile pleasure of metal components and the aesthetic thrill of industrial-grade mechanics. From a two-hour+ assembly challenge to the exhilarating moment when the motor powers the fan and simulates real turbofan operation, this is more than a DIY project—it’s an immersive communication with the spirit of aerospace innovation. Whether you're a tech enthusiast fascinated by aviation history, a hardcore tinkerer who loves to take things apart, or a parent hoping to inspire your child’s curiosity in science and engineering, this kit becomes a bridge between passion and reality. With included tools and an easy-to-follow manual, it’s an opportunity to conquer complexity, celebrate achievement, and transform your desktop into a showcase of mechanical wonder. Let the dream of flight take shape in your own hands.
Specifications:
.Product Name: Turbofan Engine Model Kit .Brand: TECHING×SKYMECHMAN .Model Number: DM121 .Material: Aluminum Alloy + Zinc Alloy .Scale: 1/12 .Number of Parts: 300+PCS .Drive Mode: motor drive .Power Supply: 3.7V 800mAh lithium battery .Charging Cable: DC 5V USB cable .Charging Time: 2h .Endurance Time: 30 mins (Fully Charged) .Assembly Time: 2h+ .Assembly Difficulty: ★★★☆☆ .Product Weight: 2800g .Package Weight: 3800g .Product Dimensions: 31.2 x 16.7 x 18.8cm .Package Dimensions: 33.5 x 23.6 x 15cm .Packing: Gift box with top and bottom lid .Ages: 16+
Verified Builder Reviews (10)
Authentic feedback from hobbyists, machinists, and scale model engineers
5.00 / 5.0
★★★★★ (10 total)
Lucas Fernndez Verified Buyer
★★★★★
A Gift of Accomplishment to Myself
As a female aerospace engineering student, I bought this to challenge myself outside the classroom. Every piece I screwed in felt like a small victory, and by the end, I had something beautiful and functional to show for it. Its more than just a model its a reminder that Im capable of creating something complex from start to finish. Whenever I feel stressed, I turn it on and let the smooth rotation remind me why I love this field.
Michael Carter Verified Buyer
★★★★★
The Perfect Retirement Gift for a Lifelong Aviator
I gave this turbofan engine model to my dad at his retirement ceremony after 40 years in aviation. Watching him slowly unbox it, his face went from curious to amazed. He ran his fingers over the metal parts, smiling as he recognized every component from his career. The assembly process became a shared experience I helped with the smaller screws while he explained the engineering behind each piece. It wasnt just a gift; it was a way to honor his years in the skies and create one last aviation memory together.
James Anderson Verified Buyer
★★★★★
The Conversation Starter Every Engineer Needs
As an RC model engineer, I keep this DM121 on my work desk. Its not just decoration its a mechanical showcase that instantly grabs attention when clients visit. People always ask how it works, and its a great way to talk about turbofan design. The smooth electric drive is quiet but realistic, and the compact size means it fits perfectly without cluttering my workspace.
Hannah Brooks Verified Buyer
★★★★★
A Cool Way to Impress Guests
I keep this model in my living room, and it never fails to spark conversation when friends visit. Most people cant believe it actually moves like a real turbofan. Its become a small but powerful piece of personality in my home.
Sophie Williams Verified Buyer
★★★★★
Bringing Lessons to Life in the Classroom
I teach aviation mechanics, and while textbooks are useful, nothing beats a physical demonstration. This engine model allows me to show students exactly how a twin-rotor turbofan operates. They can see the fan blades spin, the moving components interact, and suddenly the theory from class makes sense. Since adding it to my lessons, engagement has doubled and Ive even had students stay after class just to try assembling parts.