Does anyone know where to find cheap three-bladed wind turbine kits? ?

wind turbine kit

Does anyone know where to find cheap three-bladed wind turbine kits? ?
I need to buy five wind turbine kits for a classroom experiment, but I don't know where to find suitable ones. The wind turbines must have three-blades. And it would be best if each was cheap. =)

Best answer:

Answer by oldtimer
Not sure how cheap is 'cheap' but look at these designed for just your purpose.

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