This is a simple ultra-violate light circuit diagram that can be powered by a 6 volt battery or power supply that is capable of supplying 1 or more amps.
Parts   Total Qty.      Description
C1      1    0.0047uf Mono Capacitor
C2 1    0.1uf Disc Capacitor
D1, D2  2    1N4007 Diode
FTB  1    Filtered Blacklight Tube
IC1  1    555 Timer IC
P1  1    10k Trim Pot
Q1  1    TIP30 PNP Power Transistor
R1  1    470 Ohm Resistor
R2  1    270 Ohm Resistor
T1  1    Medium Yellow Inverter Transformer
MISC  1    IC Socket, Heat Sink For Q1, Screw, Nut, Wire and PC Board

