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  • NSI Rock Tumbler Classic
    $64.50

    NSI Rock Tumbler Classic

    (13)
  • Toysmith 4M Salt-Powered Robot Science Kit
    $14.99

    Toysmith 4M Salt-Powered Robot Science Kit

    (10)
  • Toysmith Hydrotech Aqua Zone Deluxe Water Rocket Set
    $11.99

    Toysmith Hydrotech Aqua Zone Deluxe Water Rocket Set

    (7)
  • Toysmith 4M Anti-Gravity Magnetic Levitation Science Kit
    $19.99

    Toysmith 4M Anti-Gravity Magnetic Levitation Science Kit

    (6)
  • Smithsonian Wave Machine
    $31.99

    Smithsonian Wave Machine

    (10)
  • NSI Smithsonian 30x Telescope/Monocular
    $27.49

    NSI Smithsonian 30x Telescope/Monocular

    (19)
  • Smithsonian 40mm Refractor Telescope by NSI
    $39.50

    Smithsonian 40mm Refractor Telescope by NSI

    (10)
  • NSI Smithsonian Rocket Science
    $16.79

    NSI Smithsonian Rocket Science

    (11)
  • Smithsonian Glow-in-the-Dark Giant Volcano Kit by NSI
    $15.99

    Smithsonian Glow-in-the-Dark Giant Volcano Kit by NSI

    (17)