The globe is a glass sphere filled with 3 of the noble (or inert) gases - neon, argon and xenon. A high frequency alternating current electrode is in the centre - when it discharges, it excites that gases which create plasma filaments. Touching the glass creates an attraction spot. This makes a brighter, thinner tendrul of plasma. The filament will move as the  

Control electricity with your fingertips

Powered by USB or batteries

Ages 8+