Van De Graaff, accessories vibrating balls In column.
Item code
4151001
Van De Graaff, accessories vibrating balls In column.
$58.00
$63.80
Van De Graaff, accessory kit component, clear insulated container with metal plate on top and bottom, containing 6x coated pith balls. Balls vibrate between the two plates inside the container. Attaches to ball by banana plug.
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