Abstract: A dispenser for use by an animal includes a base portion and an upper portion defined by at least one wall enclosing a container cavity, the at least one wall including at least one opening providing access to the container cavity. The at least one opening is disposed in the upper portion of the at least one wall. and is constructed and arranged for placement in and removal from the container cavity of units to be obtained by the animal. The dispenser further includes a weighted body fixed to the at least one wall of the dispenser in the base portion, the weighted body providing means for return of the dispenser after movement to a position defined as an upright position with the upper portion above the base portion. The dispenser can be moved on a surface in an oscillating and/or sliding motion by the animal for dispensing a unit from the at least one opening.