Tune in to technology — with a pair of stereo headphones you engineer yourself! Build the headphone headband, rig up the speaker drivers, and experiment with stereo sound. Explore how speakers and other electroacoustic transducers turn electricity into sound, then learn about the historical technologies that made modern headsets possible.

Dive deeper into the science of sound waves with the latest season of the Today, Explained to Kids podcast. Each episode of this four-part series introduces kids to BIG, world-changing ideas and pairs with a KiwiCo crate! Shop the 4-pack bundle or learn more about the KiwiCo & Vox partnership here.