Description: 【Educational DIY Kit】: This DIY science and physics experiment kit is designed to enhance hands on skills through fun and educational experience. It demonstrates the transformation of wind energy into mechanical energy, and then into electrical energy to light up an LED 【Interactive Learning】: Engage in a playful learning process where you can enjoy the satisfaction of building while understanding fundamental scientific principles, making education enjoyable and effective 【Material】: Crafted from sturdy wood, this DIY Science Toy ensures a sturdy construction experience for students, providing both reliability and longevity in use 【Compact Design】: With dimensions of 5.12inchx2.56inchx2.95inch, this Children Educational Projects Kit is perfectly sized for easy handling by students, making it suitable for classroom settings or at home projects 【Complete Package】: The package includes all necessary materials to complete the project, ensuring you have everything needed to start your scientific exploration right away Specification: 13cmx6.5cmx7.5cm/5.12inchx2.56inchx2.95inch Package Includes: 1 DIY Science and Physics Experiment Kit Note: 1.This is not infant toy , please take away from children to avoid eating. 2.Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.