... by push, pull-tab (slide), light, voice, vibration, PIR, etc3.Flashing Sound IC Chip: pre-recorded or recordable, with LED flash ... can also be used for all kinds of toys,sound toys ,voice toys,flashing toys,recordable toys,recording toys ,musical toys such as car toy ,tank toy,the ... music you want,and it also can emit any colour flashing light!6.Components: PCB, IC, speaker, microphone, LED indicator, ...