Enabling Active STEM Learning
  • Strategy: Developing STEM Practices & Mindset
  • Skill: Enabling Active STEM Learning
  • Time: 60 Minutes

Building A Grape Smasher

Work in a team to design a machine from simple supplies that can smash a grape.

In this activity, participants design a small machine that when put into action will successfully smash a grape.


Learning Objectives:

  • Youth will be able to collaborate to design a small machine that will be used to smash a grape.
  • Youth will learn the mechanisms of simple machines needed in order to create their grape smasher through application.
  • Youth will be able to use the engineering design process throughout the activity testing and retesting with staff facilitation.


  • Dowels (axel)
  • Wheels of some sort (plastic, Lego, wooden, etc.)
  • String (pulley piece) and pulley wheel
  • Popsicle sticks
  • Tape
  • Glue
  • Scissors
  • Sand/Rocks/Beans for Counter Weight weights
  • Plastic bags
  • Paper and Pencils
  • ¬†Any other conceivable supplies that could aid in the construction of a simple machine (be creative).