Make a cardboard instrument - Fun at-home activities for Kids.

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Make a cardboard instrument

Build a simple cardboard guitar using recycled boxes, rubber bands, and glue; learn about sound, vibration, and tuning while decorating your instrument creatively.

Table of contents

Step-by-step guide to make a cardboard guitar

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How to make DIY Musical Instruments for Kids!!

What you need

Recycled cardboard boxes, rubber bands of different sizes, strong craft glue or hot glue sticks, scissors or craft knife, tape, ruler, marker or pencil, thin cardboard strip or craft stick, colouring materials (markers stickers crayons), adult supervision required

Step 1

Gather all your materials on a clear table so everything is easy to reach.

Step 2

Draw a simple guitar body shape on the cardboard and then trace the same shape again to make two identical pieces.

Step 3

Cut out both guitar body shapes carefully using scissors or a craft knife with adult help.

Step 4

Glue the two body shapes together to make a thicker guitar body and press until the glue holds.

Step 5

Draw and cut a round sound hole near the middle of the guitar top layer so sound can come out.

Step 6

Cut a long rectangle from cardboard for the neck and glue it to the top center of the body so it looks like a guitar neck.

Step 7

Glue a thin cardboard strip or craft stick near the bottom of the body to make a bridge for the strings to rest on.

Step 8

Cut small notches at the top and bottom edges of the body to hold the rubber bands in place.

Step 9

Stretch rubber bands from the top notches to the bottom notches so they run over the bridge and act as strings.

Step 10

Pluck each rubber band gently and listen carefully to hear the vibration and difference in sound.

Step 11

Tune each rubber band by sliding it along the neck or moving it slightly on the bridge until you like the pitch.

Step 12

Decorate your guitar with colouring materials and stickers to make it look awesome.

Step 13

Take a photo or short note about your instrument and share your finished creation on DIY.org.

Help!?

What can we use if we don't have rubber bands or a craft stick?

Use elastic hair ties or cut strips of an old elastic belt as strings and substitute a wooden ruler, popsicle stick, or folded cardboard for the bridge when you glue a thin cardboard strip or craft stick near the bottom of the body.

My glued layers keep separating or the rubber bands keep slipping—what should I do?

Press the two body shapes together under a heavy book until the glue dries fully and make smaller, tighter notches or secure the bands with a little tape or glue at the top and bottom so they stay over the bridge and don't slip.

How can I adapt this activity for younger kids or make it more challenging for older kids?

For younger children, have adults pre-cut the two guitar body shapes and the sound hole and let kids stretch rubber bands and decorate with colouring materials, while older kids can safely use a craft knife with supervision to refine the sound hole, add frets with tape, or experiment with different neck shapes when gluing the neck to the body.

How can we improve the sound or personalize the instrument?

Try different rubber band thicknesses, move the bridge position or add a paper towel tube under the body for more resonance, and personalize by decorating with stickers and colouring materials before taking a photo to share on DIY.org.

Watch videos on how to make a cardboard guitar

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Here at SafeTube, we're on a mission to create a safer and more delightful internet. 😊

How to make a String Instrument from Cardboard | Cardboard Harp

4 Videos

Facts about musical instruments and sound

🎸 Most guitars have six strings, but even a single rubber band can make a plucked-string sound for experiments.

🪢 Rubber bands were first patented in 1845 by Stephen Perry and stretch thanks to rubber's elastic properties.

📦 Corrugated cardboard is lightweight, strong, and one of the easiest materials to recycle into crafts and instruments.

🔊 Sound travels through air at about 343 m/s (1,125 ft/s) at 20°C — that's how fast vibrations reach your ear.

🎶 Pitch depends on tension and length: tighten a string or shorten its vibrating length to make higher notes.

How do you build a simple cardboard guitar using recycled boxes?

To build a simple cardboard guitar, pick a sturdy shoebox or cereal box and cut a sound hole in the top. Stretch several rubber bands of different widths around the box over the hole so they act as strings. Place a small cardboard or wooden bridge under the bands to lift them. Attach a cardboard neck (paper towel tube or strip) with tape or glue. Decorate, then pluck strings to explore vibration and adjust tension to tune.

What materials do I need to make a cardboard guitar?

Materials: one sturdy recycled box (shoebox, cereal box, or small shipping box), several rubber bands of varying thicknesses, scissors or a craft knife (adult use), glue or tape, a small cardboard or wooden bridge piece (popsicle stick), a paper towel tube or stiff cardboard strip for the neck, pencil or ruler, markers/paints/stickers for decorating, and optional beads or cardboard scraps to change string tension.

What ages is this cardboard instrument activity suitable for?

This cardboard guitar activity suits preschoolers with help and elementary kids more independently. Ages 4–7 will enjoy decorating and plucking with adult supervision for cutting and gluing. Ages 7–12 can build and tune mostly on their own and learn more about vibration and pitch. Avoid giving small bands or beads to children under 3. Adapt complexity: younger kids use ready-cut pieces; older kids measure and experiment with different string arrangements.

What are the benefits and safety tips for making and playing a cardboard guitar?

Benefits include hands-on learning about sound, vibration, pitch, recycling, fine motor skills, creativity, and problem solving. Safety tips: supervise cutting and hot glue use, choose non-toxic paints, avoid small parts around children under three, and don’t overstretch rubber bands to prevent snapping. Encourage gentle plucking and eye protection if bands are tight. Variation ideas: use different box sizes, more or fewer bands, add a movable bridge, or create frets with tape to explore pitch c

Ready to create?

All Activities

Make a cardboard instrument

Build a simple cardboard guitar using recycled boxes, rubber bands, and glue; learn about sound, vibration, and tuning while decorating your instrument creatively.

Table of contents

Step-by-step guide to make a cardboard guitar

0:00/0:00

Here at SafeTube, we're on a mission to create a safer and more delightful internet. 😊

How to make DIY Musical Instruments for Kids!!

What you need

Step 1

Gather all your materials on a clear table so everything is easy to reach.

Step 2

Draw a simple guitar body shape on the cardboard and then trace the same shape again to make two identical pieces.

Step 3

Cut out both guitar body shapes carefully using scissors or a craft knife with adult help.

Step 4

Glue the two body shapes together to make a thicker guitar body and press until the glue holds.

Step 5

Draw and cut a round sound hole near the middle of the guitar top layer so sound can come out.

Step 6

Cut a long rectangle from cardboard for the neck and glue it to the top center of the body so it looks like a guitar neck.

Step 7

Glue a thin cardboard strip or craft stick near the bottom of the body to make a bridge for the strings to rest on.

Step 8

Cut small notches at the top and bottom edges of the body to hold the rubber bands in place.

Step 9

Stretch rubber bands from the top notches to the bottom notches so they run over the bridge and act as strings.

Step 10

Pluck each rubber band gently and listen carefully to hear the vibration and difference in sound.

Step 11

Tune each rubber band by sliding it along the neck or moving it slightly on the bridge until you like the pitch.

Step 12

Decorate your guitar with colouring materials and stickers to make it look awesome.

Step 13

Take a photo or short note about your instrument and share your finished creation on DIY.org.

Help!?

What can we use if we don't have rubber bands or a craft stick?

My glued layers keep separating or the rubber bands keep slipping—what should I do?

How can I adapt this activity for younger kids or make it more challenging for older kids?

How can we improve the sound or personalize the instrument?

Watch videos on how to make a cardboard guitar

0:00/0:00

Here at SafeTube, we're on a mission to create a safer and more delightful internet. 😊

How to make a String Instrument from Cardboard | Cardboard Harp

4 Videos

Facts about musical instruments and sound

🎸 Most guitars have six strings, but even a single rubber band can make a plucked-string sound for experiments.

🪢 Rubber bands were first patented in 1845 by Stephen Perry and stretch thanks to rubber's elastic properties.

📦 Corrugated cardboard is lightweight, strong, and one of the easiest materials to recycle into crafts and instruments.

🔊 Sound travels through air at about 343 m/s (1,125 ft/s) at 20°C — that's how fast vibrations reach your ear.

🎶 Pitch depends on tension and length: tighten a string or shorten its vibrating length to make higher notes.