TR900 Aircraft Turbojet Engine Model Assembly Version Description This 28 cm 11 inch assembly version of the TR900 aircraft turbojet engine model is a handson replica designed for mechanical learning and display. Printed in PLA, the model offers realistic adjustable speed for an authentic turbojet experience and is suitable for ages 16 and up. Key benefits Handson learning and skill building: Assembly required format teaches mechanical principles, part alignment, and basic model construction. Realistic operation: Adjustable speed control recreates turbojet behavior for demonstration and study. Display quality and portability: At 28 cm and 300 grams, the assembled model is sized for desktop display without occupying much space. Packaged in a box and at 400 grams. Easy power solution: The base includes a small power supply system that charges with a standard USB cable for convenient use. Durable material: Made from PLA for a stable, lightweight structure that is easy to handle during assembly. Specifications Model: TR900 aircraft turbojet engine model Color: Assembly Version Material: PLA Product size: 28 cm 11 inches Product weight: 300 grams Delivery weight: 400 grams Packaging: Box Recommended age: 16 years old and up Notes and care Keep clean to maintain appearance and moving parts. The base contains a small power supply system. Charge using the included or any standard USB cable. Because the model is produced by 3D printing, some fine details may not be . Please allow minor surface or finish variations. Practical applications Educational demonstration: Use in classroom or workshop settings to demonstrate turbojet principles, adjustable speed control, and mechanical assembly. Hobbyist project: Assemble and the model as a practice project for model builders and makers. Collector display: Place on a shelf or desk as a realistic engineering display for aviation enthusiasts and adult collectors. What you receive TR900 assembly version turbojet engine model in PLA, packaged in a box with the base power supply system and USB charging capability.