Yoda Lightsabre F/X
Shown above is the Yoda Lightsabre F/X:
“The latest FX lightsaber is an exact replica of Master Yoda’s. Its illuminating blade features a power up/power down effect thanks to sequentially lighting LEDs. Lightsaber sound effects have been recorded from the film and are activated by moving the saber or by impacting the blade.”
Found via GeekAlerts.