About This

• *Material: 99% transparent acrylic laser cutting processing, no burrs, strong permeability display type
• *Function: After power on, the hand drives the wheel and the magnet passes through the sensor; the coil generates current, the generated magnetic field drives the magnet to move, and the wheel rotates at the same time. The reciprocating motion is transformed into a rotary motion through a cam.
• *Clever design: exquisite structure design, small size and light weight
• *Applicable to: Suitable for gifts to children and students to increase their interest in learning
• *Service: If you have any questions about our products, please contact us in time, we will reply you as soon as possible within 24 hours. happy shopping!