🎊🎊 FUNCTION -- 🎊🎊 Stimulate your pet's mind as well as its motor skills and to keep your friend vigorous and healthy. 🎊🎊 With bright colors, and each ball contains a small bell, it sends a clear crisp sound, attract the attention of the pet. 🎊🎊 PACKAGE -- 🎊🎊 Included with 5 balls, random color, the diameter of each ball is 3.5cm /1.37 inches. 🎊🎊 MATERIAL -- 🎊🎊 The bird chewing balls are made of premium plastic，non-toxic，safe for small pet. （They are can be destroyed, not indestructible） 🎊🎊 APPLICATION -- 🎊🎊 Suitable for most small pets，kitten，puppy and most parrots（ cockatiel，parakeet，conure，budgie，lovebirds...）etc.