Everyday Matter 6-pack
$62.99
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This is all the stuff we're made of! As well as our cars, crackers, coins, cats and cranberries. Contains a Neutron, Proton, Electron, Up Quark, Down Quark, and Electron-neutrino. Approximately 15 oz (425 gm).For ages 5 and up as it contains glued-on/small parts.
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