Model Science Kit Hand Generator Experimental Physical Plastics Manual Crank Model Invention Experiments Scientific

Brand New and High Quality Type: Hand Generator Material: Plastic Color: Green Size: 80 * 75mm(3.15 * 2.95in) Package includes: 1pc Hand Generator Features: 1.Enhances creativity and hands-on abilities: promotes the development of creative thinking and improves practical skills. 2.Teaches children about energy conversion: provides a hands-on learning experience for children to understand the process of converting energy. 3.Convenient and portable for on-the-go use: designed to be easily carried and used anywhere, making it suitable for outdoor activities. 4.Ensures safety for children: designed with safety in mind, and suitable for use by children. 5.This device does not require batteries or power sources, making it convenient for use anytime, anywhere. Tips: 1.Due to the light and monitors effect, colors may have lightly difference. 2.Please allow slightly size errors due to manual measurement. Thank you for your understanding!