🏎️ TECHING L4 Turbocharged 4-Cylinder Full Metal Engine Model Kit – DIY Assembly for STEM Learning & Collector Display

🔧 Experience Real Turbocharged Engineering

Bring the thrill of automotive engineering to your desk with the TECHING L4 Turbocharged Inline 4-Cylinder Engine Model Kit (DM111). Featuring over 364 precision-machined metal parts, this 3D mechanical assembly model replicates the working principles of a real turbocharged inline-four — from pistons and crankshaft to the visible turbo system. The anodized Blue Edition delivers a premium, modern aesthetic for both learning and display.

Powered via DC 5V with a built-in lithium battery, the finished model can run for 30+ minutes on a full charge — perfect for demonstrations, STEM lessons, and collector showcases.

⚙️ Key Features

• Authentic Turbocharged Inline-4 Structure – Realistic piston linkage, flywheel motion, and turbine boost simulation.
• Full Metal Construction – Aluminum alloy + stainless steel for durability and a premium hand-feel.
• 364+ Precision Parts – CNC-machined components ensure tight tolerances and smooth assembly.
• Powered Display – External DC 5V (USB) with built-in 500mAh lithium battery for 30+ min runtime.
• Educational & Collectible – A true mechanical learning project and a standout desktop centerpiece.
• Blue Anodized Finish – Elegant colorway with wear-resistant surface treatment.

🎓 Perfect for

• 🔹 STEM Learning & Mechanical Education – Demonstrates 4-stroke cycle, turbocharging, and kinematics.
• 🔹 Engineering Students & Hobbyists – Hands-on project to understand engine mechanisms.
• 🔹 Collectors & Model Enthusiasts – Premium mechanical art for desktop display.
• 🔹 Gifts for Engineers & DIY Makers – A memorable build and a conversation-starting showpiece.

🧩 Assembly Experience

Each component — from connecting rods to the camshaft — is crafted for precision fit. Expect an engaging 4-hour build that deepens your understanding of how a turbocharged inline-4 operates. No glue required: components are fastened with screws and metal fittings for a clean, serviceable build.

📦 Specifications

📦 Package Includes

• 364+ metal parts (DM111 set)
• USB charging cable (DC 5V)
• Screwdriver & assembly tools
• Illustrated instruction manual
• Gift-style packaging