Lesson Focus

Develop a working model of a nail clipper.


Full Lesson Plan

Translated Lessons:

Age Levels:

8 – 18


  • Explore the basic principles of engineering design.
  • Learn how to build a model of a simple machine.
  • Explore how a simple machine such as a nail clipper works.

Anticipated Learner Outcomes

As a result of this activity, students should develop an understanding of:

  • Principles of engineering design
  • Properties of objects and materials
  • Model making
  • Simple machines

Lesson Activities

Students design and build a working model of a nail clipper. Through the process, students explore simple machine construction and the process of model making, as well as learn about simple machines – a nail clipper is an example of a first class lever.


  • Teacher Resource Sheets (attached)
  • Student Activity Guide (attached)
  • Materials Needed:
    • foam board
    • scotch tape
    • toothpicks

Alignment to Curriculum Frameworks

Curriculum alignment sheet is included in PDF.