Make a Banjo Box

28 11 2011

A banjo is a string instrument, it produces music by vibrating strings. Banjos are normally played by plucking the strings, but strumming (running your fingers along the strings instead of grabbing and pulling them) creates sound too. Sound is made by the vibrations that send sound waves through the air. When you pluck the strings, they vibrate and make sound waves that reach your ear.

You can make your own musical instrument, just follow the instructions below for our banjo box!

Instead of strings we used rubber bands. You’ll notice the thinner rubber bands make a higher note. Why is this? It’s because the thinner the band the faster it vibrates, making a higher pitch. The thicker band vibrates slower, producing a lower note. Our banjo box is a million times easier to make than an actual banjo, and just as much fun!

All you need is:

  • An old box (we used a left-over soap box because it was small)
  • Rubber bands of different thickness
  • 2 Pencils, pens or markers (to raise the rubber bands from the box)

Just wrap the rubber bands around the box and slide the pencils under the bands to raise them, then you’re done! Wasn’t that easy? See how ours turned out:

We had a lot of fun playing our creative instrument. You can make instruments out of all sorts of found objects. This guy made a banjo with an old cigar box!

We admit he’s a little better at playing it than we are with our banjo box…




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