STEM project: how to build a planting machine

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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