TR900 Turbofan Engine Model Aircraft Engine Kit

TR900 Turbofan Engine Model Aircraft Engine Kit Turbojet Engine Model Adult Gift Mechanical Science Education Toy Scale: 1/20 Model: TR900 aircraft turbojet engine model. Product weight: 700 grams Delivery weight: 1000 grams Product size: 20 cm/7.8 inches Packaging: Box Age: 14 years old Note: Keep clean The base has a small power supply system. Due to the 3D printing of the product, some details may not be perfect. Please understand.