Materials List: Designing Medical Devices to Extract Foreign Bodies from Ears

Each group needs:

  • model ear canal (see attachment on how to assemble)
  • 1½'' clay pot (available at crafts stores)
  • 1½'' PVC pipe connector (available at hardware stores)
  • plastic tubing ½'' outer diameter, 3/8'' inner diameter (available at hardware stores)
  • o-ring to fit over ½" plastic tubing (such as Danco #8, available at hardware stores)
  • vegetable bag from grocery store (only 2 or 3 are needed per class)

For the entire class to share. (You may not need all items; most are available from crafts or drug stores)

  • small pebbles (required)
  • popcorn kernels (required)
  • clay
  • glue dots
  • scissors
  • pipe cleaners
  • rubber bands
  • glue (rubber cement, hot glue, Elmer's glue)
  • dowel rods (big and little)/small sticks
  • miniature clothes pins
  • paper clips
  • wire
  • small fuzzy pom poms, or other small fuzzy object
  • tape
  • tweezers
  • magnets
  • oral syringes (available at drug stores)
  • any other classroom items or small item that could be included in the invention