Materials List: Tightrope Trials

Each group needs:

  • Two, plastic two-liter bottles or two desks (If unable to gather enough two-liter bottles, make a tightrope with the string between two desks, or use coat hangers, as in the Perching Parrot activity.)
  • String (about 2 ft. long)
  • Cardboard (cereal boxes or paper plates work well) or tagboard.
  • Paper clips
  • Scissors
  • Rulers
  • Markers