Zanies Pawprints Giggle Treat Ball 6 Inch Entice Dogs With a Giggle and Reward Them With a Treat! A giggle toy and treat dispenser in one, the ingenious Zanies Pawprints Giggle Treat Ball will enthrall dogs for hours. Each 6" ball features two non-electronic air tubes inside that emit hilarious giggle noises each time the ball is rolled or shaken. Unique opening adjusts with a simple twist to suit the size of the treat. Change the level of difficulty to dispense a treat to add to the challenge! Great for alleviating boredom and separation anxiety. Made of durable, easy-clean, non-toxic plastic with a pawprint design in assorted colors. Colors vary from the manufacturer.