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MSBB25
Corrosion-resistant, affordable 1" brass balls for physics experiments.
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From $7.99 /unit
KSWITCH22
DPDT knife switch with brass screws, vintage design, educational use.
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From $2.80 /unit
Knife Switch Dpdt (Brass Contacts And Steel Screws)
DPDT knife switch with brass screws, vintage design, educational use.
Wooden Generator Science Kit Assembled (Put Together)
DIY renewable energy source - wooden generator kit.
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