TEHAUX 1set Hydroelectric Teaching Science Portable Kit Physical Wind Small Water Crank Generator Hand Student Emergency Practical Tool Experiment Kits Electricity Manual Power


Small Electricity Generator:It has advanced design, easy to drive, and can also be used to build scientific models..Hydroelectric Generator:The application is simple, and can be used as a model water-wind hybrid grid-connected power generation system..Dynamo Crank:Professional and practical, very suitable for cultivating students and hands- on ability..Mini Water Power Generator:Small and practical, with good texture, it can help understand relevant principles and knowledge very well..Useful Wind Generator:You can buy this professional and practical wind at an .