What do you do with a huge giant tennis ball? hmm..! Let’s make it the perfect gift for your dog a Giant Tennis Ball Dog Toy. The best part is you won’t have to buy it again because your dog won’t ever be able to get their mouth around it, they won’t ever tear it up. You have a second option, you can probably play giant tennis with giant tennis rackets. lol. It also makes for a perfect toy for kids or adults to play with.