Check the batteries.
iloveyou toys sound through the internal electronic chip to achieve. Usually, a small electronic component is installed in the toy, which contains a chip that stores audio data, some circuits, and a small speaker.
When a button is pressed on the toy, an electronic chip decodes the audio data and converts it into a sound signal, which is then played out through the speaker.
Some iloveyou toys can also record and play personalized voice messages, which are made possible by built-in microphones and speakers. In short, the sound principle of iloveyou toys is achieved through the built-in electronic chip and speaker, the user only needs to press the button to hear the sound.