FANTASTIC FAN - HINDI - 17MB

  Arvind Gupta
13   1.1K  

Make a propeller from a stiff card circle and mount it on a wire axle. Tape the wire end to a bent straw. On blowing from the other end of the straw the fan will spin at a fantastic speed!  ...  This work was su


FANTASTIC FAN - HINDI - 17MB
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