DIY Scientific Experiment Sound Wave Imaging Technology Small Production of Visible Sound for Children

Description:

Speaking with the mouth in the loudspeaker, the light refracted onto the wall will present different sounds and produce different light patterns. To present a better effect, place your mouth in a loudspeaker and block the entrance to produce sound, making the lighting changes more diverse and interesting.

Package Included:

• 1 x DIY Scientific Experiment Sound Wave Imaging Technology Small Production of Visible Sound for Children