KiwiCo Stereo Headphones
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
$39.95 SKU: KWC-EHED
other electroacoustic transducers turn electricity into sound, then learn about the historical technologies that made modern headsets possible.
KiwiCo Cannonball Launcher
Build a launcher that uses elastic power to shoot foam cannonballs. Contains everything you need to build a working launcher and matching mount. Learn about the science of potential and kinetic energy — all while putting your cannon construction skills to the test.
$27.95 SKU: KWC-HCAN
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