A flexible vibrating mat for soothing a child includes a plurality of electric vibratory motors and a plurality of cylindrical motor casings. Each motor casing is associated with a single electric vibratory motor and is generally the same size as the associated electric vibratory motor. The mat additionally includes a controller. The controller is configured to selectively electrically couple the plurality of electric vibratory motors to an electric power supply. The mat further includes a flexible core coupled with the plurality of motor casings and a water-resistant cover covering the core, the plurality of motor casings, and the controller.