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Originally patented by Nikola Tesla in 1894 following his experiments with high voltage currents, the plasma ball is a colourful way of observing electrical discharges. Control the filaments using your finger to move them around the glass.
Take control of electricity with this 15cm Diameter plasma ball, move your finger over the glass or place your hand on the glass and watch as the electricity is attracted to your touch.
For Ages 8+
