1. Educational Science Experiment Toy: Designed to teach kids the principles of energy generation with a handheld crank mechanism that converts mechanical power into electricity, providing handson learning and fun interactive STEM activities. 2. Handheld and Design: Compact, for classrooms, playrooms, or science fairs, allowing children to easily operate and explore renewable energy concepts anytime and anywhere with simple manual cranking. 3. Encourages Creativity and Curiosity: This experimental toy stimulates interest in physics and engineering through engaging activities that promote critical thinking, problemsolving, and scientific exploration at home or school. 4. Durable Handmade Construction: Crafted with quality materials for reliable use by children, ensuring an educational tool that withstands repeated use during experiments and classroom projects. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store