Light Bulb (low wattage filament lamp)
Attach the using the stiff wire wrap a 30cm piece of the wire around the light bulb screw. Solder another 30cm length of wire to the tesla coil top. Arrange the free wire so it points away from the top of the tesla coil.
Solder two pieces of wire to each of the lamp connectors, attach one to the tesla coil top load and have the other point away from the tesla coil.
Turn on the coil. Steamers will flow from the free wire and if there is enough power the lamp will light.