The invention includes pet toys made of multiple layers of material, and more particularly, to pet toys with an exterior constructed with multiple layers assembled in an offset manner resembling protective armor. The body or core of the pet toy is made of a plurality of armor plates or pieces that overlap one another in a desired configuration to present the desired armor. A central core or spine element may serve as a threading element to secure armor plates to one another. One embodiment includes armor plates that are stacked upon one another and are therefore disposed along a longitudinal axis. Another embodiment includes armor plates that are placed laterally or side-by-side with one another to form a row, and a plurality of rows are then connected to one another. The invention also includes a method for entertaining an animal with the pet toy having the multiple layers of material.