We created a device that works as a toy AND a useful tool to enrich the environment of any pet! Attach ANY pet's favorite toy or treat TO the PhysiPet, for hours of interactive fun. Working or Service dogs can also benefit from the PhysiPet by providing a productive way to exercise in ANY environment no matter the limitation the pet or Pet Parent! The PhysiPet is available in 2 sizes- 3 models with accessories! Buy Now @ www.physipet.com