It has an internal electric vibrator so this spongy space ball will spread everywhere so your dog/cat feels motivated and excited to discover how it runs in all spaces like crazy. The Rolly Toy Ball is the toy your dog is going to love! Interactive toys are one of the best you can give your furry friends, keeping them entertained for hours.
The ball rolls with random movement stimulating your dog's senses and holding their attention for hours on end. Prevents unwanted destructive behavior due to boredom or anxiousness. As long as you put the battery(not include), will be rolling to roll to roll to roll .