This 3D printed TR900 turbojet engine model is a detailed, readytodisplay replica of the TR900 engine used on large commercial aircraft such as the A380. It combines visible moving parts, lighting effects, and an enlarged scale to make the internal workings easy to study and attractive as a display piece. Key benefits Easy display and instant enjoyment: fully assembled out of the box, ready to place on a desk, shelf, or in a collection. Educational and demonstrative: transparent casing and working blades let viewers see the basic working principles of a dual flow turbojet engine, useful for teaching mechanical and aeronautical concepts. Durable, realistic finish: printed in PLA with silk thread for a hard, metallicfeel surface while remaining lightweight. Note that the material is not metal. Simple power and lighting: the base contains a small power supply system with USB charging. A USB cable is included for convenient setup. Features Model: TR900 aircraft turbojet engine model, faithful to the original design with enlarged scale and added light effects. Construction: 3D printed in PLA plus silk thread for stiffness and a metallic texture. Some fine details may vary due to the printing process. Functional detail: visible blades and internal components simulate movement under engine drive to illustrate mechanical operation. No assembly required: delivered fully assembled for immediate display. Power: base includes small power supply system and USB charging; USB cable included. Practical uses Home or office display: a technical conversation piece and decorative model for desks, bookcases, or hobby displays. Classroom or workshop teaching aid: demonstrate turbine stages, airflow concepts, and basic engine mechanics in engineering or physics lessons. Hobbyist collection: a collector or modeler piece for aviation enthusiasts who want a realistic, enlarged view of a turbojet engine. Specifications Material: PLA plus silk thread Model: TR900 aircraft turbojet engine model Product weight: 600 grams Delivery weight: 700 grams Size: 28 cm / 11 inches Packaging: Box Age recommendation: 16 years old and up Power: Base contains a small power supply system with USB charging; USB cable included Notes Keep the model clean to maintain appearance. The product is 3D printed; minor surface imperfections or small deviations in fine detail may occur. Please understand these are inherent to the printing process. The model has a strong metallic appearance but is made of PLA and silk thread, not metal.