found at Gifts Australia
7cm in Diameter Runs on USB Power and Batteries Mesmerising to Watch! This tiny version of Tesla's iconic lamp, originally created in 1894, demonstrates ideas of voltage and currents. Using three noble gasses (neon, argon and xenon) and an electrode, watch as you create electricity from your fingers! Well, kind of. This miniature Tesla's Lamp is the ideal gift for a geeky or scientifically minded father this father's day. Whether he takes it into the office to show off to his colleagues or keeps it at home to play with his kids, he's certain to love sharing this gift with the people he cares about. The Tesla's Lamp is not suitable for people with a pacemaker and should not be placed near sensitive electronics.