Teching DM122 TR900 Mini Metal Turbofan Engine Model Assembly Kit 170+ PCS for A320 B737 C919 Aircraft Mechanical Scienc

Description Brand TechingItem NO DM122Material Aluminum Alloy Zinc Alloy Engineering Plastics Scale 1 14 Number of Parts 170 PCS Drive Motor Power Supply 3 7V 800mAh Lithium Battery Charging Cable DC 5V USB Cable Charging Time 2 hours Function Life 20 minutes fully charged Assembly Time 2 hours or more Assembly Difficulty ★☆☆☆☆ Product Weight 560g Package Weight 1200g Product Dimensions 18 x 7 7 x 11 2cm Package Dimensions 25 x 18 x 10cm Packing Gift Box with Lid Ages 16 Feature Authentic Turbofan Structure Precisely replicates fan compressor combustion chamber and turbine components to clearly demonstrate airflow and propulsion principles 170 Precision Parts DIY kit includes over 170 finely crafted pieces letting you build a fully detailed turbofan engine from the ground up while sharpening engineering and hands on skills Electric PoweredFully Functional Built in motor drives the fan blades for a realistic running display making the mechanics of a jet engine easy to observe Premium MaterialsCraftsmanship All metal components paired with a magnetic transparent shell offer durability fine texture and an elegant look for teaching showcasing or collecting Best Gift for Enthusiasts Perfect for teens 16 and adults passionate about aviation STEM education or mechanical DIY and a captivating model for classrooms or hobby displays Package included 1 x TR900 Mini Metal Turbofan Engine Model Assembly Kit