When the baby born interactive doll is placed in the bathtub a flashing light will automatically appear you can also hear baby born interactive make many realistic baby bathtime sounds including splashing laughing and bubble noises the bath can also be used independently without the doll if you press the button on the side of the bathtub you will hear the same bath time sounds along with baby born music the bath also includes a cute manual water pump which pumps real water out of the show