A drive device for a movable furniture part includes a first lockable ejection device and a second lockable ejection device for ejecting the movable furniture part out of a closed position into an open position. The first ejection device has a first locking device and the second ejection device has a second locking device. The first locking device and the second locking device each have a locking position and an unlocking position. The first locking device and the second locking device are movable between the respective locking position and the respective unlocking position by rotational movement of a respective first component relative to a respective second component about a rotational axis oriented parallel to the longitudinal axis of the first ejection device and the second ejection device. A synchronizing device for synchronizing the first locking device and the second locking device.