Engineer a Propeller

Engineer a propeller that can spin as fast and as long as possible using stored potential energy.

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Inspiration Video

Suggested Materials

  • plastic bottle or aluminum soda can
  • straw
  • rubber band
  • paper clips
  • popsicle stick
  • tape
  • hot glue

Difficulty Level


This design challenge requires simple motor skills, understanding of straightforward concepts, or common materials to build.