Introduction: Cardboard Sound Amplifier

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Make your sound louder with every day materials

Step 1: Gather Materials

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-Box Cutter

-Spray Paint (optional)


Toilet paper rolls

Step 2: Cutting

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cut a rectangle from the cardboard and trace the bottom of the phone that parallel with the longer side of the rectangle.

Step 3: Make the Base

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Roll up the cardboard and glue it.

Step 4: Add Support

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Cut out a smaller rectangle and glue it to the back for extra support.

Step 5: Extra Distance

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Cut a hole in the toilet paper rolls and glue them to the project

Step 6: Paint

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Take it outside and paint it.

Step 7: Enjoy

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Put your phone in and play your favorite music


Swansong (author)2017-05-08

Those are a great option and definitely cost effective :)

lewija94 made it! (author)2017-05-08


lewija94 (author)2017-05-08

wow that was cool dude

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