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In this activity, learners explore how engineers have developed big wheels or Ferris wheels.

Learners work in groups to construct bridges using stale marshmallows and toothpicks.

Learners work in groups to design and build a tower out of balsa wood. As a motivator, they can compete to build a tower with the highest strength-to-weight ratio.

In this activity, learners create a working model of a nail clipper. This activity helps learners learn the basic principles of simple machines, engineering design and model building.