Hydropower Demonstration Kit for Elementary and Middle School Science Key Benefits Teaches energy conversion in a hands on way by turning flowing water into mechanical motion and then into electrical light. Durable construction supports repeated classroom use, making it suitable for demonstrations, labs, and STEM activities. Simple setup and visible results help students connect theory to practice and improve engagement in science lessons. What the kit does Converts the kinetic energy of water into rotational motion of water scoops and then into electrical energy to light an LED bulb. Demonstrates cause and effect clearly: steady water flow causes clockwise rotation of the scoops, which powers the LED. Main Features Materials: Main body made of PP with glass components for visible parts and durability. Visible LED indicator that illuminates when the scoops rotate and energy conversion occurs. Manual pulley option allows teachers or students to spin the device by hand to demonstrate the mechanism without water. Size and compatibility Diameter: 16.8 cm 6.61 inch Height: 29 cm 11.42 inch Designed for elementary and middle school teaching and compatible with standard classroom basins and sinks. Easy setup and operation Prepare about 300 ml of clean tap water and a large basin. Place the device in the basin with one pair of water scoops parallel to the ground. Pour water steadily from approximately 20 cm above the inlet; the scoops will rotate clockwise and the LED will light. You can also rotate the pulley by hand to show the same lighting effect without water flow. Experimentation tips Practice pouring from different heights and at different steady rates to see how flow height and speed affect rotation and light output. Tap water is acceptable; ensure the flow provides sufficient force for visible rotation. Use repeated trials and note variations to teach experimental control and data collection. Practical use scenarios Classroom demonstration: Show the basic principles of renewable energy and energy conversion during a science lesson. Lab activity: Small groups test how flow height and rate change performance and record results for a lab report. Science fair project: Students design experiments comparing pouring techniques or water volumes and present findings with a working visual model. Package contents 1 DIY Scientific Experiment Kit Notes Allow slight measurement variation of 1 to 2 cm 0.39 to 0.79 inch due to manual measurement. Follow classroom supervision guidelines during experiments.