Source Institutions

Add to list Go to activity
In this activity, learners explore sound by constructing their very own banjo out of a coffee can. Learners experiment with the canjo to change the instrument's pitch and timbre. [Activity is publicly available through a web crawler capture on]

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
45 to 60 minutes

Estimated Materials Cost:
$1 - $5 per student

Age Range:
Ages 6 - 18

Resource Types:
Activity, Lesson/Lesson Plan


Materials List (per student)

  • 1 2' wood dowel, 1/2 in. more or less
  • 1 coffee can
  • 1 yard 50 lb. test fishing line
  • 1 small eye screw
  • 1 small piece of wood
  • 1 nail
  • scissors
  • hammer
  • wood file


  • Physical Sciences
    • Vibration and Waves
      • Wave Properties
      • Wave Motion
      • Sound

Informal Categories

  • Arts and Crafts
  • Music


To use this activity, learners need to:

  • see
  • hear
  • touch

Learning styles supported:

  • Links STEM to other topics of interest such as arts and humanities
  • Involves hands-on or lab activities


Components that are part of this resource:

Includes alignment to state and/or national standards:

This resource is part of:

Access Rights:

  • Free access


  • Oakland Discovery Centers


  • All rights reserved, Oakland Discovery Centers, 2012

Related Video