Let's Get Physical - This indoor interactive cat track promotes important needed daily exercise and mental stimulation Up for a Chase - Paw sized openings purr-fect for swatting, batting and chasing; helps satisfy hunting instincts at every turn More Fun - This addictive, interactive cat toy keeps your kitty active and engaged as balls spin and roll around the track; 4 extra balls are included for extra fun Made to Last - Durable easy-to-clean plastic
