High-tech Engine Model: This model is a technologically advanced aircraft engine with a fixed push rod speed of 200 revolutions per minute, for aviation enthusiasts High-precision 3D Printing: We use high-precision 3D printing technology to produce the model kit, showcasing the complex structure of the jet engine in detail Durable and Eco-friendly: Made with PLA biodegradable plastic, this model kit combines durability with an environmentally conscious Metallic Texture: Constructed with metallic colored PLA , this jet engine model has a realistic metallic texture that enhances its visual appeal Detailed Turbofan Engine: This model accurately represents the intricate details of a turbofan engine, making it a must-have for model enthusiasts