Build an Octopus Chromatophore

Build an expandable pigment sac that can stretch into as large a shape as possible.

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Inspiration Video

Suggested Materials

  • cardboard
  • string
  • scissors
  • balloons

Difficulty Level

1
2
3

This design challenge may require complex motor skills, understanding of abstract concepts, or unusual materials to build.

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