This is a "living" plush toy. Auto shake and makes sound that fascinaties dogs feel excited to hunt! Feature ·Fashion electronic dog toy ·Auto bounce and squeak ·Draw the pet's attention ·Cute plus cover ·Easy use ·Eco-friendly ABS and non-toxic material How to play 1. Open the velcro of plush cover, take out the ball device. 2. Remove the insulating strip. 3. Press the button and shake aggressively to activate the device. (If it doesn't activate press the botton and shake again). 4. Put the ball back into the plus cover and star to play. 5. The ball will jump and squeak and activateautomatic stop after 20 sec. 6. How to replace batteries: Detailed operation please see instructions in the package. Note: Watch your pet when playing! Be careful not to swallow by your pet! NO throwing or chewing! Only moving on the floor. AUTO BOUNCE AND SQUEAK - The ball will auto makes sounds and in shaking motion for 20 sec when turn on. And activate again by aggressively shaking FASCINATES YOUR DOGS - The bounce and squeaky motor pattern mitating a live prey. Makes dogs extremely excited to chase and bite. Satisfy natural hunting instinct PREVENT BOREDOM - Help encourages healthy activity through play. Reduce boredom and destructive behavior CUTE LOOK - Lovely nontoxic plush cover with UPGRADED VERSION white device ball inside. Variety of cover to choose from EASY PLAY - 2 X AAA battery power (included). Detailed operation please see Image and Product Description. This Interactive funny toy makes your pet fondle admiringly. Enjoy having fun with it!