Features: Experience the thrills of aviation engineering with the jet engine model kit, a meticulously 3D printed of the turbofan engine, to captivate STEM enthusiasts and model collectors alike. This model features innovative rotatable design that simulates the dynamics motion of a real aircraft engine, enhances by electric buffer system for realistic vibration effects, making it both educational and entertaining. Ideal for aviation hobbyists, students keening on science and engineering, and educators seek interactive teaching tools, this model serves as a gateways to understanding complex mechanical principles. Perfect for use in classrooms, or as a unique addition to your office desk or display cabinet, this 12cm engine model is both portable and visually striking. Crafted from nontoxic materials, itensures safe handling and assembly, offering a rewarding DIY experience that fosters creativity and technical skills development. Specifications: Component:Metal+Plastic Color:Red/Blue/Green/Yellow Size:Approx.12x8x5cm/4.72x3.14x1.96inch Package Includes: 1 Set Turbofan Engine Model note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.