Product details:

Now you can get three different balls for a variety of play. The Chuckit! whistler ball will make a fun sound when launched far, the Chuckit! rebounce ball will bounce in an irratic manner, and the Chuckit! max glow will allow you to play all night long. These balls are great to use alone, but also work with your Chuckit! ball launcher.FeaturesWhistler ballMax glow ballRebounce ball