Biting Toys, SPECIFICATIONS:, Package includes:, (The shark is an electric toy: 2 x AA Battery(Not Included). The dog and crocodile toy are without Electric), A classic family game, and a great toy for your kids.Every time you open the dog’s mouth a random tooth will become a switch of its mouth. As long as you push that tooth, the dog’s mouth would be close. It’s time to see how lucky you are!