Our tester pup, a 1.5 yr aged Golden Retriever, liked this computerized ball launcher. He didn't figure out how to fall the ball into it himself, but nonetheless had a good time. The launcher does make some beeping and also other noises indicating which the ball is going to start. https://knoxfmihc.blogerus.com/55425912/not-known-facts-about-pet-supplies-dog