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Science First Voltas Hailstorm Apparatus

Item #: 532009
$52.59 $39.44
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Science First Voltas Hailstorm Apparatus is used to demonstrate Coulomb's law qualitatively or illustrate an electrostatic smoke control method. Apparatus measuring 9 x 12 inches creates hailstorms and comes with instructions. When the apparatus is held near an active Van de Graaf generator, tiny conductive balls bounce up and down inside the cage which has metal floor and ceiling that becomes electrically charged.