Description: 【Educational Science Kids Teens】: This DIY windmill paper circuit kit is designed to spark interest in science and technology through hands-on experimentation 【Interactive Learning Experience】: The Science Windmill Generator Kit allows children to basic of closed circuits, teaching them how simple circuits are constructed using components like power sources, conductors, and 【Hands On STEM Exploration】: By assembling the windmill paper circuit, kids can engage in scientific inquiry and understand concepts such as open and closed circuits, where current flows through a complete path 【Materials】: Made from card stock and conductive strips, this Physics Science Experiment set is sturdy and long time use 【 Gift】: Ideal for birthdays or holidays, this science experiment kit encourages creativity and learning in children, making it a thoughtful present that combines fun with education   Size Chart: 18cmx28cmx15cm/7.09inchx11.02inchx5.91inch Package Includes: 1 Science Windmill Generator 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.