Engineer a Flow Control System

Build a system that controls the movement of material and shuts off automatically.

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Inspiration Video

Suggested Materials

Recommended
  • cardboard
  • plastic bottles
  • paper clips
  • duct tape
  • popsicle sticks
  • rubberbands
  • string
  • scissors
  • ping pong balls
Testing Station
  • rice, water, or beans

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.