The Hand Crank Generator offers a unique way for children to and physics. With its DIY design, children can take apart and put together the components, stimulating their imagination and problem-solving skills. By turning the hand crank, they can generate electricity and see the transformation of mechanical energy into electrical energy. This hands-on experience not only deepens their understanding of the principles of physics but also cultivates their curiosity for learning. Features -Color:Multi -Material:ABS,copper,stainless steel,acrylic - Size: 7.80X7.00X4.50cm/3.07X2.75X1.77in -Encourages hands-on learning and exploration through a hand-cranked generator. -Stimulates creativity and critical thinking abilities by stimulating imagination and problem-solving skills. -Illustrates basic principles of physics through interactive experiments, deepens understanding. -This hands-on experience fosters a sense of curiosity and enthusiasm for science. -Versatile for both indoor and outdoor use, allowing for experimentation in various environments. Package list: 1 x Set of DIY Generator