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Build a Magnetic Nanoparticle Coating

Design a coating for a magnet that will pick up different surfaces.

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Inspiration Video

Suggested Materials

  • PVC pipe or long rod
  • magnets
  • plastic egg or other round object
  • tape
    For testing
  • paper plates
  • pipe cleaners
  • straws
  • rubber bands
  • velcro
  • duct tape
  • paper clips
  • brass brads
  • hot glue

Difficulty Level


This design challenge may require moderate motor skills, understanding of some abstract concepts, or uncommon materials to build.