Cardboard Tube Smartphone Speaker

Yonolotiraria Cardboard Tube Smartphone Speaker

Ok, for such card­board tube smart­phone speakers I’d even buy these card­board tube potato chips ;-)

 


Links:
Cardboard Tube Smartphone Speaker (DIY ganador del concurso de Pringles. UN ALTAVOZ!) (Spanish)
via: Diy: Speaker from Recycled Pringles Box / Altavoz Con Bote De Pringles