The invention includes a feeder device that may be used to entertain or feed an animal. The feeder device has a body with an outer peripheral edge and a central opening. A plurality of depressions or grooves and a plurality of through holes are incorporated on the body. Preferably the feeder device is made of a flexible and elastomeric material. The feeder device may be secured to a base element that extends through the central opening to form a feeder device combination. The size and shape of the central opening is adjustable because of the elastomeric material. A desired pattern and spacing may be adopted for the grooves and through holes. According to a method of the invention, a user selects an object to which the feeder device is to be attached. The feeder device is placed over the object and the body of the device stretches to accommodate the central opening to frictionally engage the object. A user loads the device with a desired treats or feed.