Winstory 7.5cm Pet Dog Squeaky Giggle Ball Tough Treat Training Chew Sound Activity Toy Random Color A fantastic and very funny toy ball, Your dog will go crazy and keep playing it without tiredness With built-in a special sounder, it can issue quack sound when the ball rolling. Especially shake it before your dog playing it. There will be unexpected sound effects With a hole at the bottom, can storage the food and leak it out while your pet dog playing with it A wonderful toy ball to train your pet's intelligence Non-toxic material, safe for your pet to play, Perfect for controlling pet behavioral problems We highly advise our customer to play/interactive with your dog friends by this ball, rather than let your dog bite or rip. You can fill with dog food in it and play/train with your dog, if your pet behaviors well, the food will be leak from the ball and to reward your pet. thank you so much