KidWind Dowel, Recommended for College, High School, and Middle School Science, Diameter: 0.25 in, Length: 5 in, used for designing and testing wind turbine blades, and they fit into the KidWind Wind Turbine Hub, D100
Alkaline Battery, Ultra Pro, 9V, Reclosable, Dimensions: 48.5 mmx26.5 mmx 17.5 mm, Capacity: 500 mAh, Suitable for cameras, door locks, smoke alarms and more, professional applications and provide long-lasting, reliable power