Introduction: Cardboard Sound Amplifier
Make your sound louder with every day materials
Step 1: Gather Materials
-Spray Paint (optional)
Toilet paper rolls
Step 2: Cutting
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
Roll up the cardboard and glue it.
Step 4: Add Support
Cut out a smaller rectangle and glue it to the back for extra support.
Step 5: Extra Distance
Cut a hole in the toilet paper rolls and glue them to the project
Step 6: Paint
Take it outside and paint it.
Step 7: Enjoy
Put your phone in and play your favorite music
Participated in the
Cardboard Contest 2017
1 Person Made This Project!
- lewija94 made it!