Construct a Crane

Build a crane that uses simple machines and mechanical advantage to move heavy objects.

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Inspiration Video

Suggested Materials

Recommended
  • paper cups
  • pencils or dowels
  • straws
  • paper clips
  • string
  • ruler
  • marbles
  • tape
  • recycled cardboard
Optional
  • empty sewing spools
  • rubber bands
  • bead or washer
  • popsicle sticks
  • shoe box

Difficulty Level

1
2
3

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

This is the difficulty level for a typical 4th grade classroom. Modify as needed for other age groups.

Resources

This design challenge has downloadable resources available.
Mentors and parents with access to this design challenge can download resources.