KiwiCo Cannonball Launcher Build, aim, and launch soft foam cannonballs with this elastic-powered, swiveling launcher that lets you explore angles, energy, and endless playtime fun.
AGES 5+
$24.95
KiwiCo Stereo Headphones
Engineer your own stereo headphones and explore how electricity transforms into sound, while discovering the technologies that shaped modern headsets."
AGES 14+
$39.95
10
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