RandomnessEvery time you open the hippo's mouth a random tooth a tooth is a switch. You will like this random switch. Test Your ReactionAs long as you push that tooth, hungry dinosaur mouth would be close. It's time to test how quick your reflexes are. Health And SafetyEco-friendly and non-toxic material, harmless to health. Smooth surfaces, no burr, will not hurt skin. You can safely let your baby play with this toy. Perfect Fun-MakerYou never know which teeth you push will let the toy bite your finger, very funny toy ideal for playing with your children or making fun in a party, always be a guest curiosity, wish you have a funny party! Ideal Reflexes TrainerTraining the hand-eye coordination, parent-child interaction, cultivate interest, meticulous movement and cooperation, benefits your kids imperceptibly. Specification: Condition: 100% Brand New Color: Orange Battery Type: 2 * AA Battery(Not Included) Size: Approx. 21*13.5*11cm/8.3*5.3*4.3in Package Included: 1 * Toy