DIY Acoustic Imaging Device Fun Science Experiment Technology Small Production Hand Assembled Models Teaching Experiment Props

DIY Acoustic Imaging Device Fun Science Experiment Technology Small Production Hand Assembled Models Teaching Experiment Props Product Name: Acoustic Imaging Device Product size: After assembly, the finished product is approximately 15 * 10 * 7.5cm (please allow a 1-2cm error for manual measurement) Product Features: Speak inside the loudspeaker, so that the red light can present different changes Product features: Speak with your mouth in the loudspeaker, and the light reflected onto the wall will appear Different sounds produce different patterns of light. To present a better effect, place the mouth into the mouthpiece, And block the entrance to produce sound, making the changes in light more diverse and interesting!