Build a Belt Mechanism

Create a simple machine that transfers motion from one straw to another using a belt. Make sure the direction of your motion remains the same.

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Inspiration Video

Suggested Materials

  • small box or pieces of recycled cardboard taped into the shape of a box
  • drinking straws
  • rubberbands
  • scissors

Difficulty Level


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