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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
part of a cycling club
The giraffes arrive packaged on our signature presentation cards
our kitchen pins have a US made
lead free pewter our science pins have a US made
E=MC2 Lapel Pin grape part of a cycling clubE=MC2 Special Relativity Equation E = mc2, equation in German born physicist Albert Einsteins theory of special relativity that expresses the fact that mass and energy are the same physical entity and can be changed into each other. Show off your knowledge with our E=MC2 pin. Hand cast in solid, lead free pewter, our science pins have US made, military style clasp backings to keep your pin secure on a coat, hat, bag, or lanyard. Our energy pins arrive
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