Develop and strengthen eye-paw coordination skills as your pet discovers how to remove the squeaker balls from inside the Iqube. Keeps your dog entertained, active and busy for extended periods of time, eliminating boredom. Helps to satisfy a dog's natural instinct to search, stalk and capture its prey as your pet repeatedly removes the squeaker balls from inside the IQube. For additional fun and variety, place favorite pet treats or other toys inside the IQube. Machine washable fabric is made with safe, non-toxic all new materials. Measures 6''.