Teen engineers, time to roll up your sleeves! In this fun STEM project, you’ll learn how to build a machine that distributes seeds precisely, just like those used by farmers (although we’ll be substituting marbles for seeds…)

For background on this activity, read the accompanying post, here.

Materials needed:

  • toilet paper tubes
  • cardboard
  • straws
  • masking tape
  • tissue box
  • skewers
  • marbles
  • popsicle sticks
  • paper cups
  • tape
  • beads
  • marbles
  • scissors

View the original video here.

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