Cardboard Box Harp

Banjos, guitars, violins, cellos and harps are just a few of the types of Chordophones that all make sound by vibrating strings. Resonators can be made with tin cans, wooden boxes, and cardboard boxes. This is how to make a lap harp out of a cardboard box and rubber bands with children.

You can purchase some of the supplies for this project by taping the links below or by visiting my storefront by clicking here.

You Will Need:

Cardboard Box
Some Extra Cardboard
X-Acto Knife
4 Large Rubber Bands
Paint Brushes
Hot Glue Gun

What to Do:

1. Have the child paint the cardboard box and allow to dry. Or allow the child to decorate the box however they like.

3. Create a bridge by cutting out a long rectangle out of cardboard and fold into a triangle (see photo). Use hot glue to keep the triangle secure.

4. Use an X-Acto knife to make 4 slots in the bridge to secure the rubber bands.

2. Punch a hole in center of shoe box. Draw a large oval shape around the hole. Use scissors or X-Acto knife to cut out the hole.

5. Use hot glue to attach the bridge to the box.

6. Stretch one rubber band around the box at a time and then move them into place around the box and into the bridge.

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