Designed for educational purposes, this manual generator is ideal for hands-on learning. Students can crank the handle to generate electricity, providing a practical demonstration of physical . The device is durable and portable, making it suitable for both classroom and home experiments, enhancing students' understanding of energy transformation. Features -Color:Yellow -Material:Plastic -Size:7.60X6.40X4.50cm/2.99X2.52X1.77in -Effortless operation: simply crank by hand to generate power, eliminating the need for external electricity -Physics experiment kit: suitable for conducting physics and electromagnetism experiments, aiding in the comprehension of electricity generation -diy learning: encourages diy projects, developing students' manual dexterity and innovative thinking -Portable design: compact size makes it easy to transport, enabling outdoor experimentation -Educational enhancement: serves as a valuable tool for science education, boosting students' enthusiasm for learning Package list: 1pcs x Hand-crank generator