Randomly bouncing toy ball for pets such as dogs and production method

A hollowed ball with an erratic movement for pets that allows the erratic movement during a rotation or rebound displacement due to its interior design that comprises:

• a. A hollow, cavity or alveolar lodging
• b. At least two openings or hollows placed in the external part of the ball which interconnects with the hollow cavity or alveolar lodging, wherein the hollowed ball with an erratic movement for pets is formed by a single spherical piece, and wherein the form and dimensions of the hollow, cavity or alveolar lodging is structurally arranged inside by at least two continuous radially arched thick cylindrical sections with a sequential projection of horizontally cylindrical steps, each step being a radial section, increasing its circular periphery perpendicularly to such steps, and wherein one of the openings or hollows is an opening or minor hollow that has a proportion between 5% and 15% and the other one of the openings or hollows is an opening or major hollow that has a proportion between 15% and 35% relative to the diameter of the hollowed ball.