An infant seat rocker includes a base member, a motor, the motor being positioned on the base member and a tray member, the tray member being positioned on the base member. Means for attaching the motor to the tray member are also included as well as at least one spring secured to the base member, the spring having a first end proximate a front wall of the tray member and a second end proximate a rear wall of the tray member; and a shaft, the shaft positioned to secure the tray member to the base member. An infant seat is positioned in the tray and the motor is engaged to produce and maintain a rocking motion in the infant seat.