TECHING × SKYMECHMAN DM121 – 1/12 Full-Metal Turbofan Engine Model Kit (300+ PCS)

Experience the engineering behind modern aerospace propulsion with the DM121 Turbofan Engine Model Kit. Co-developed by TECHING × SKYMECHMAN, this 1/12 scale full-metal dual-spool turbofan engine faithfully recreates the internal structure and operating principles of a real jet engine.

Featuring 300+ precision-machined aluminum and zinc alloy components, a motor-driven working mechanism, and a premium collectible display design, the DM121 is ideal for aviation enthusiasts, STEM learners, mechanical hobbyists, and high-end collectors.

This is not just a static display model – it is a functional mechanical engine that lets you observe rotation, structure, and simulated airflow to truly appreciate the beauty of turbofan engineering.

✨ Key Features

⚙️ 1/12 Dual-Spool Turbofan Architecture

Accurately replicates the two-spool system used in modern commercial and military jet engines. After assembly and power-on, the fan and compressor/turbine stages rotate smoothly, providing an intuitive demonstration of airflow and thrust principles.

🔧 300+ Precision-Machined Metal Parts

Built with aluminum alloy + zinc alloy components, the DM121 offers:

• High structural durability
• Realistic weight and mechanical feel
• Exceptional surface finish and detailing
• Long-term collectible value

⚡ Motor-Driven Working Display

The built-in motor is powered by a 3.7V 800mAh rechargeable lithium battery, bringing the engine to life with continuous, smooth rotation.

• Power Supply: 3.7V 800mAh lithium battery
• Charging Cable: DC 5V USB cable
• Charging Time: approx. 2 hours
• Endurance Time: up to 30 minutes when fully charged

Perfect for demonstration, education, and display in classrooms, studios, or offices.

🛠️ Enjoyable DIY Assembly (2h+)

With 300+ parts and an included tool set, builders can enjoy a satisfying assembly experience that deepens their understanding of turbine structure and mechanical design.

• Assembly Time: 2 hours or more (depending on experience)
• Assembly Difficulty: ★★★☆☆ (Intermediate)
• Clear instruction manual included

🪟 Premium Display & Collectible Value

Designed as a collectible-grade model, the DM121 features realistic proportions and visible structural sections, making it an impressive centerpiece for any desktop, workshop, lab, or display shelf.

🎁 Gift-Ready Packaging

The model comes in a premium gift box with a top and bottom lid, making it a perfect gift for:

• Aviation & engineering enthusiasts
• STEM students & educators
• Mechanical model collectors
• Hobbyists who love realistic engine models

📘 Product 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: Approx. 2 hours
• Endurance Time: Up to 30 minutes (fully charged)
• Assembly Time: 2 hours or more
• Assembly Difficulty: ★★★☆☆ (Intermediate)
• Product Weight: 2800 g
• Package Weight: 3800 g
• Product Dimensions: 31.2 × 16.7 × 18.8 cm
• Package Dimensions: 33.5 × 23.6 × 15 cm
• Packing: Gift box with top and bottom lid
• Recommended Age: 16+

📦 Packing List

• Engine Parts × 1 set
• Tool Set × 1
• Instruction Manual × 1