1、COMPREHENSIVE EXPERIMENTS: Allows for experiments converting mechanical energy, chemical energy, wind energy, and light energy into electrical energy. 2、CONVENIENT AND INTUITIVE: The energy conversion experiment device is designed with ease of use, strong visual feedback, and noticeable results. 3、DEEP UNDERSTANDING: By using the experiment device, students can gain a deeper understanding and mastery of energy conversion and conservation laws. 4、WIDE APPLICATION: The energy conversion experiment device finds extensive use in children's science projects, physics, mechanics learning, and classroom teacher demonstrations. 5、ENHANCE LEARNING: This device facilitates hands on learning and helps cultivate a better grasp of energy conversion principles and concepts. 1 x Power Conversion Experiment Board Item Type: Power Conversion Experiment BoardMaterial: ABS Battery: 1.5V AA batteries x 2 (without battery delivery)