NSI STEM Toys
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$14.99
Toysmith 4M Salt-Powered Robot Science Kit
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$16.79
NSI Smithsonian Finger Print Set
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$16.79
NSI Smithsonian Rocket Science
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$15.99
Smithsonian Glow-in-the-Dark Giant Volcano Kit by NSI
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$19.99
Toysmith 4M Anti-Gravity Magnetic Levitation Science Kit
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$39.50
Smithsonian 40mm Refractor Telescope by NSI
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$27.49
NSI Smithsonian 30x Telescope/Monocular
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$16.79
NSI Smithsonian Magic Rock Set
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$25.99
NSI Smithsonian Jellyfish Aquarium
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$15.50
NSI Smithsonian Amber Fossil Dig Kit