Light and sound makers

1. light maker

1.1. light bulb

1.2. the sun

1.3. light switch

1.4. candle

1.5. computer screen

1.6. flashlight

1.7. projector

1.8. movie screen

2. sound maker

2.1. bell

2.2. alarm

2.3. buzzer

2.4. eyeglass case

2.5. horn

2.6. clown horn

2.7. tv

2.8. radio

2.9. trumpet