Can't decide which ball would be perfect for you? We take the burden off your shoulders, you can get the dogs' favorite balls in one package! Chuckit! Fetch Medley Balls (S) contains 3 balls and meets the toy needs of every ever-moving, lively dog. Chuckit! Erratic Ball: This ball bounces erratically back and forth in a cheeky fashion after hitting the ground. Its shape with edges makes all this possible, so your dog with a high need for exercise will surely love its bounce. With the whimsical ball, you become part of a frantic game. Chuckit! The Whistler Ball: Due to the holes on the ball, it emits a whistling sound during flight, so your dog will be even more excited and active during fetch play. The whistling sound will surely increase the alertness of your adventurous dog. It's a perfect choice while walking, even at the wateside, because the ball floats on the water. Chuckit! Max Glow Ball: The toy made of luminescent material is neither chemically nor biologically harmful to your pet. It charges in 5 minutes in natural light, but if you only have your phone at hand, you can charge it in a few seconds with a flashlight, so the ball glows green in the dark for 20-30 minutes. All three balls can be combined to make with small Chuckit! ball launchers. Always pay attention to your dog while playing, do not leave it unattended with the toy to avoid injuries!