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  • Smithsonian Motor-Works Model Engine
    $31.49 sale
    $44.99 Reg.

    Smithsonian Motor-Works Model Engine

    (38)
  • Smithsonian® Electronic Crystal Growing Kit
    $26.49 sale
    $39.99 Reg.

    Smithsonian® Electronic Crystal Growing Kit

    (6)
  • Smithsonian® Mega Science Lab
    $27.99 sale
    $39.99 Reg.

    Smithsonian® Mega Science Lab

    (13)