A Grandad supervised three grandsons (5-10 yrs-old) as they built and tested a 2’x4′ hoverboard, powered by an electric leaf blower. Total material cost about $30. Fun with grandkids – Priceless! Changed to a gas leaf blower and fixes – Please see “Hoverboard in Four Hours II” http://youtu.be/rKGTv3MzcRM for the whole story.
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