Abstract: A motor driven fingernail polishing apparatus comprises a transmission including a drive gear, first and second power transfer gears, battery for driving the motor, combined switch and shift mechanism being selectively shiftable between a central disengaged or off position to a first drive position and to a second drive position wherein the battery is connected to the motor, a first output gear and buffer attached thereto, second output gear and polisher attached thereto, first speed-reducing idler gear operably engaged with the first output gear, additional speed-reducing gear engaged with the second output gear, wherein when the combined switch and shift mechanism is shifted to the first drive position, the first power transfer gear is simultaneously engaged with both the drive gear and the first speed-reducing idler gear with the battery driving the motor, the drive gear, the first power transfer gear, the first speed-reducing idler gear, the first output gear and the buffer; and wherein when the combined