Smithsonian "Perpetual" Motion Machine Kit

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Curious kids learn about properties of physics and the capabilities of electromagnets by building their own "perpetual" motion machine powered by an invisible magnetic field. Includes a color poster and full instructions.

Museum Story

The Smithsonian's National Air and Space Museum maintains the world's largest and most significant collection of aviation and space artifacts, encompassing all aspects of human flight, as well as related works of art and archival materials. The Steven F. Udvar-Hazy Center is the companion facility to the museum and houses hundreds of historically significant air- and spacecraft, along with thousands of small artifacts.


  • Ages 8+
  • Plastic
  • 10.75" x 1" x 9.5"
  • Made in China