Product overview: This turbofan motor model is a detailed, battery-powered turbofan replica designed for hobbyists, model builders, and educational use. It is 3D-printed from PLA, measures approximately 27 x 17 x 13 cm, and features adjustable electric speed control. Available as a DIY kit or as a finished, ready-to-run model, it includes digital configuration and installation instructions delivered by email. Key benefits: - Realistic, hands-on learning: Teaches basic motor operation and airflow concepts through an assembled, working model. - Portable and flexible: Battery power makes the model easy to display and operate without wired power. - Customizable performance: Adjustable speed control lets you experiment with different rpm settings and simulate varying operating conditions. - High-detail fabrication: 3D-printed PLA parts provide a precise appearance and consistent fit for assembly or display. - Multiple purchase options: Choose a kit for assembly and learning, a finished model for immediate use, or a charging kit to support battery-powered operation. What makes it stand out: - True turbofan form factor with an electric speed regulator for experiment and display use. - Clear assembly support via a configuration and installation video sent by email to guide builders step by step. - Designed for hobbyists who prefer a mix of model building and functional demonstration. Specifications and attributes: - Product type: Turbofan motor model available as a kit or as a finished product. - Size: Approximately 27 x 17 x 13 cm. - Material: 3D-printed components made from PLA. - Power and control: Battery-powered with variable speed control. - Packaging options: Available configurations include battery kit, finished motor model, and charging kit. - Additional items: Installation and configuration video provided by email. Builder-supplied adhesive is required for some assembly steps. Practical uses and scenarios: - Educational demonstrations: Use in classrooms or workshops to illustrate motor behavior, fan dynamics, and basic engineering principles. - Hobbyist display and dioramas: Add a realistic, working turbofan unit to scale models, display cases, or themed builds. - Prototype and testing setups: Employ the adjustable-speed turbofan to test small-scale airflow effects or to simulate component interactions in model projects. Important notes before purchase: - Liquids are prohibited during transport. - Some assembly steps may require glue; adhesive is not included. - Color may vary slightly from images due to monitor differences. - Allow for minor dimensional variance of about 1 to 3 mm from manual measurement. - Delivery is arranged promptly after order placement; custom models require additional lead time, so contact the seller for exact timing before ordering. - There is no warranty. If you receive a defective item, provide photos or video of the issue so the seller can assist with a resolution. - If you are satisfied with the product and service, please leave positive feedback, and contact the seller before leaving negative feedback so issues can be resolved. This product description applies to all available variants of the turbofan motor model and is accurate to the listed specifications and packaging options.